Universal Public Apps Hub

A massive collection of free online tools, NPM packages, and mobile applications to supercharge your workflow.

Math & Everyday

Age, Standard Calcs, Percentages

Age Calculator

Calculate your exact age in years, months, and days.

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Percentage Calculator

Calculate percentages, ratios, and value changes.

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LCM & GCD Calculator

Calculate the Least Common Multiple and Greatest Common Divisor instantly.

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Permutations & Combinations (nPr & nCr)

Calculate the exact number of sets you can generate from a total population mathematically.

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Fraction Calculator

Add, divide, subtract, and multiply algebraic fractional components.

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Quadratic Equation Solver

Solve complex algebraic quadratic equations natively yielding exact Real and Complex bounds.

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Matrix Determinant Calculator

Calculate absolute scalar determinates of your 2x2 or 3x3 square matrices instantly directly inside your browser.

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Standard Deviation Calculator

Calculate Standard Deviation, Variance, Mean, and Range across long arrays natively within your browser entirely offline.

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Decision Weight Matrix Calculator

Calculate highly complex multi-layered variables using an interactive scoring array logic engine natively.

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Goal Progress Calculator & Trajectory Forecaster

Forecast exact projected finish dates calculating historical array velocities.

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Age In Weeks

Extrapolate strict lifespans bypassing standard annual math determining literal days, weeks, and sequential limits precisely.

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Exam Countdown Timer

Render high-performance local timestamps explicitly bounding remaining physical distance measuring exact days/hours dynamically.

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Zodiac Age & Timeline

Derive literal chronological earthly parameters mapping literal biological timeframes natively against explicitly historical astronomical transits safely.

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Next Birthday Countdown

Render precise multi-second tracking extracting explicit calendar leap parameters resolving future biological transitions precisely natively.

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Current Week Number

Calculate official Gregorian annual fraction tracking standardized first-Thursday metrics cleanly extrapolating continuous sequences reliably.

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Leap Year Checker

Execute explicit orbital drift arithmetic logically parsing fractional year moduli determining explicit absolute extra day conditions linearly.

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Time Arithmetic Calculator

Interpolate pure chronometric sums manipulating explicit scalar second transformations cleanly resolving modular hour overlaps securely natively.

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Friendship Score & Tester

Determine abstract deterministic relational coefficients mapping textual numeric intersections parsing pure algorithmic limits efficiently.

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Lucky Day Generator

Track abstract randomized outputs explicitly combining numeric timestamp constraints generating unique personalized pseudo-random mappings gracefully natively safely.

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Random Color Generator

Blend specific procedural Javascript math generation deriving visual CSS hexadecimal equivalents safely providing dynamic color interpolation copying perfectly cleanly natively.

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Random Name Generator

Blend specific static string permutations merging distinct pseudo-random character slices efficiently into realistic fictional nomenclature natively.

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Random Squad Generator

Blend specific standard linear Fisher-Yates array shuffling distributing literal text groups sequentially strictly fairly directly safely.

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Truth or Dare Generator

Blend specific local textual extraction resolving dynamic pseudo-random indexing securely surfacing discrete deterministic standard gameplay outcomes seamlessly smoothly natively.

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Random Quote Generator

Blend specific philosophical literal text boundaries mapping discrete string index permutations natively cleanly visibly faithfully smoothly natively.

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Spin the Wheel Tool

Blend specific CSS standard variable mappings interpolating geometric degree transformations purely animating dynamically safely randomly generating explicit index hits purely.

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Yes or No Wheel

Blend constrained literal CSS rotation arrays bounding pseudo-random arithmetic generating discrete interactive responses natively beautifully seamlessly reliably.

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Coordinate Distance Tracker

Determine spatial differentials interpolating literal longitudinal gaps computing continuous geographic arrays natively securely stably.

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Flight Time Estimator

Calculate standard aeronautical chronology parsing longitudinal gaps measuring strict explicit velocities reliably smoothly.

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Sunrise & Sunset Zenith

Derive precise daytime phases resolving explicit terrestrial math generating exact UTC bounding calculations cleanly globally safely.

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Moon Phase Tracker

Derive exact celestial parameters interpreting precise synodic lunar cycles computing exact illuminated variables purely dynamically locally.

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Scientific Math Evaluator

Iterate floating-point precision arrays triggering native mathematical algorithms matching execution syntaxes.

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2D Matrix Math Grid

Interactively sum, scale, or multiply row boundary matrices analyzing coordinate variables manually natively.

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GPS Coordinate Translator

Determine spatial numerical syntax limits crossing DMS maps directly over native Google map floating limits.

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Zodiac Sign Extractor

Safely index explicit date arrays retrieving core traits entirely without active HTTP remote boundaries.

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Biological Rhythm Tracker

Mathematically track your physical, emotional, and intellectual cyclic wavelengths purely natively.

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Sales Commission

Process cumulative commissions instantly bridging scaled sales milestones to base compensation.

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Price Per Unit

Process disparate geometric volumes finding the mathematically optimal financial retail choice instantly.

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Paint Coverage

Isolate geometric room volumes mathematically deducting standard door and window boundaries instantly.

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Tile & Flooring

Blend room dimension matrices safely calculating exact physical tile counts and logistical box order limits.

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Cement Mix Ratio

Parse 3-dimensional geometric slab volumes explicitly mapping structural M-Grade ratios into dry material counts safely.

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Stair Stringer Builder

Operate linear mathematical right-angles estimating perfect architectural step heights securely matching universal building safety logic.

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Roof Pitch Grade

Estimate explicit incline coefficients interpolating static angles dynamically returning accurate roof covering geometric multipliers safely.

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GPA & CGPA Calculator

Determine academic performance scores automatically summing credit matrices scaling GPA configurations dynamically seamlessly.

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Grade Percentage Calculator

Blend standard division matrices interpolating bounds mapped exclusively into dynamic international classification systems inherently.

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Attendance Tracker

Derive explicit algebraic threshold limits deducing exactly how many consecutive classes are legally required or allowed to miss safely.

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Final Score Target

Determine explicitly required scores mathematically solving linear equations bounding targets utilizing final percentage weights dynamically.

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Prime Number & Factorization

Determine primality, generate full prime factorizations, and list all divisors instantly safely.

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Fibonacci Sequence Generator

Generate Fibonacci arrays mathematically and approximate the Golden Ratio natively in browser.

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Number Pattern & Palindrome

Evaluate complex numeric, arithmetic, geometric progressions and test structural string palindromes.

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Factorial & Digital Root

Accurately compute large BigInt factorials and visualize recursive summation digital root steps.

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Descriptive Statistics

Analyze entire datasets instantly mapping standard deviation, variance, quartiles, mode, and averages.

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Event Probability & Odds

Determine exact permutation percentages of specific outcomes and independent statistical trails.

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Daily Productivity Score

Calculate your weighted daily output by mapping deep work hours, tasks, and distraction coefficients.

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Sleep Cycle Optimizer

Calculate optimal wake-up times and bedtimes backwards from 90-minute REM sleep intervals.

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Finance & Business

EMI, GST, Loan, Profit, Salary Hike

EMI Calculator

Calculate loan Equated Monthly Installment payments.

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GST Calculator

Calculate inclusive and exclusive India GST amounts.

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Loan Calculator

Easily estimate your monthly loan repayments, visualize total interest, and understand the overall financial commitment.

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SIP Calculator

Accurately estimate how your monthly investments will compound and balloon over time given a steady annual percentage return.

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Simple Interest Calculator

Compute flat loans and flat income yields instantly without logging telemetry to the cloud.

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FD Calculator

Accurately understand the exact interest and maturity amount your bank promises. No server delays, fully private math calculations.

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VAT Calculator

Toggle between extracting VAT out of a gross price string, or adding VAT dynamically onto a net price.

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Salary Hike Calculator

Quickly map out what an X% expected salary bump looks like in real monetary value across both Annual and Monthly intervals.

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Discount Calculator

Figure out exactly how much cash you're saving during retail sales. Includes a chaining algorithm for stacking multiple discounts.

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Profit / Loss Calculator

Securely deduce your gross margin yields directly from the differences between Cost Price and Selling Price.

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Break-Even Calculator

Map exactly how many units need to be sold to cover Fixed Overhead operations and start earning pure Profit.

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Compound Interest Calculator

Calculate investment growth securely over time.

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ROI Calculator

Calculate exact Return on Investment percentages.

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Salary Calculator

Translate an Annual Salary into Hourly and Monthly wages.

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Recurring Deposit (RD)

Compute the exact maturity value for monthly deposits scaling alongside compound annual interest frequencies.

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Investment Goal Target

Isolate explicit compound interest deposits required to target static multi-year future horizons.

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Markup & Margin Calculator

Visualize the percentage discrepancies operating securely between markup vectors and resultant gross margins.

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Daily Expense Tracker

Model aggregate spending habits visualizing additive daily limits bound by dynamic gross monthly targets.

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Grocery Budget Planner

Determine cart limits bounding cumulative list metrics safely beneath preset allowance barriers.

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Health & Medical

BMI, BMR, BP, CBC, Sugar, Heart

BMI Calculator

Determine your Body Mass Index quickly and easily.

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VO2 Max Estimator

Calculate your estimated VO2 max securely offline.

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Perceived Stress Level Calculator

Evaluate your cognitive burden using the PSS-10 scale offline.

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Daily Motivation Score

Mathematically compute your internal psychological baseline.

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Wake Up Time Optimizer

Calculate precise 90-minute REM sleep cycles instantly.

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Pregnancy Due Date Calculator

Calculate exact Pregnancy Due Date privately offline using biological LMP or IVF bounds.

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BMR Calculator

Calculate your Basal Metabolic Rate (BMR) privately offline using the Mifflin-St Jeor equation.

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Ideal Body Weight Calculator

Calculate your clinical Ideal Body Weight (IBW) instantly using the medical Devine, Robinson, and Miller equations directly inside your browser.

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Body Fat Calculator

Calculate your estimated Body Fat Percentage securely in your browser using the U.S. Navy physical algorithms.

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Calorie Intake Calculator

Calculate exactly how many calories you need to eat per day to maintain, lose, or gain weight based on your physical activity.

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Daily Water Intake Calculator

Determine precisely how many Liters or Ounces of water you need to drink per day based on medical standards and weight.

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Ovulation Window

Determine physical fertile temporal boundary limits parsing individual Luteal phases backwards strictly rendering clear cyclical forecasts securely.

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Lean Body Mass (LBM)

Calculate precise biological lean tissue weights isolating skeletal mass from adipose fat percentages safely.

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Ideal Protein Needs

Isolate explicit macro-nutritional daily ranges bounding safely against independent athletic demands natively.

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Target Heart Rate Zones

Determine personalized aerobic stress thresholds safely leveraging the Karvonen Reserve Model logic.

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One Rep Max (1RM)

Blend sub-maximal load variants mathematically deducing absolute peak strength bounds safely.

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BMI Prime Ratio

Calculate optimal bodily clinical differentials mapping standard index logic safely against WHO variants.

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Body Surface Area

Estimate comprehensive biological dermal limits combining pediatric and historic medicinal algorithms natively.

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Advanced BMI & BMR Analyzer

Calculate baseline metabolic rates extrapolating energy expenditures matching nutritional macros offline stably.

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Medical Acronym Decoder

Decode standard medical acronyms and laboratory abbreviations instantly via an offline non-diagnostic verified dictionary.

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Astrology & Mysticism

Zodiac, Compatibility, Birthstone, Numerology

Zodiac Compatibility

Check compatibility between two zodiac signs.

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Birthstone Calculator

Map your birth month to traditional, modern, and mystical birthstones containing symbolic color values.

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Numerology Profiler

Calculate your Pythagorean Life Path and Expression numbers mapping your core universal traits.

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Zodiac Aspect Calculator

Calculate your exact Zodiac element, modality, and ruling planet statically based on birth date offsets.

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Zodiac Sign Extractor

Safely index explicit date arrays retrieving core traits entirely without active HTTP remote boundaries.

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Biological Rhythm Tracker

Mathematically track your physical, emotional, and intellectual cyclic wavelengths purely natively.

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Developer & Coding

JSON, XML, YAML, Fake APIs, AST Models

JSON Formatter

Format, validate, prettify, and minify JSON strings.

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JSON Minifier & Compressor

Minify and compress your raw JSON structures safely securely inside the browser reducing payload weights.

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JSON Validator & Formatter

Validate, beautify, and format your JSON payload syntax tracking missing commas and bracket issues locally.

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JSON Structural Diff

Deep object schema difference validation tool natively logging missing trees rendering variations cleanly precisely locally organically.

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JSON to XML Converter

Bidirectional DOM parsing safely mapping flat JSON Objects against exact nested XML string schemas.

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JSON to YAML Converter

Readably format nested structured maps securely without 3rd party modules entirely via browser Arrays.

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Unified JSON to Class Translator

Extract AST schemas seamlessly generating strictly typed classes & interfaces across multi-targets (TypeScript, C#, Python, SQL...).

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JSON Key Strategy & Flattener

Transform object keys cleanly explicitly isolating recursive flattening depth matrices safely changing bounds smoothly natively.

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JSON to GraphQL Schema

Instantly create strongly typed GraphQL schemas from unstructured JSON.

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JSON to MongoDB Schema

Generate strict Node.js Mongoose models automatically from raw JSON inputs.

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JSON Array Comparer

Calculate intersections and strict set differences between massive JSON arrays natively.

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XML Formatter

Beautify, format, and minify XML data strings natively.

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XML Structural Validator

Verify complex XML tree structures parsing natively strictly catching syntax faults missing closures perfectly securely.

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XML Analyzer & XPath Tester

Isolate precise tag sequences testing XPath DOM queries dynamically explicitly counting embedded nodes attributes strictly smoothly natively.

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XML Tree Visualizer

Transform raw nested XML chunks converting purely static trees into interactive grids extracting data lists securely visually flawlessly natively.

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XML / HTML DOM Diff

Visually traverse recursive DOM boundaries isolating exact tag differences attributing discrepancies faithfully synchronously securely purely natively.

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XML Syntax Validator

Secure, local, real-time XML syntax validation using native DOM Engine pipelines.

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XML Namespace Analyzer

Detangle complex SOAP manifests by extracting xmlns prefix bindings safely.

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XML Encoding Detector

Extract XML Prolog headers to immediately identify UTF-8 vs ISO-8859 formats.

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YAML Structural Validator

Verify complex YAML configuration block bounds parsing natively discovering strict syntax faults indentation flaws gracefully clearly natively.

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YAML Formatter & Minifier

Format minify structural yaml indentations generating flow strings or strict block lines effectively manipulating spacing properties locally globally securely.

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YAML ↔ XML Converter

Translate structured arrays nested object layers mapping seamless native DOM hierarchies strictly transforming format rules smoothly gracefully globally natively.

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YAML to .env Converter

Convert deeply nested YAML configuration files into strictly flat .env variables.

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YAML Key Sorter

Deeply traverse your YAML documents to alphabetize and sort maps recursively.

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CSV Formatter

Format CSV files, convert from JSON to CSV, and parse structures.

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CSV Matrix Compare

Evaluate flat spreadsheet arrays measuring precise row to column coordinate discrepancies gracefully securely completely cleanly flawlessly.

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SQL Formatter

Beautify complex SQL queries into highly readable statements.

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CSS Beautifier & Minifier

Prettify or completely strip spacing mapping limits executing regex bounds scaling payload dimensions.

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Text & Code Differ

Dual-pane diff checker determining inline line additions and subtractions instantly verifying text variants.

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Regex Payload Tester

Test and dynamically extract regular expression array bounding mappings visually targeting nested test strings.

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Mock JSON Data Generator

Create random structural arrays targeting local mock configurations exactly dynamically directly natively generating user profiles, products, logs, and more securely offline.

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Custom Base Converter

Convert arbitrarily between Base 2 and Base 36.

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Math Formulas Cheat Sheet

Access an interactive extensive compilation of static mathematical formulas covering algebra rules, quadratic equations, calculus mappings, and probability statistics.

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JWT Decoder

Securely decode JSON Web Tokens locally in your browser.

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Binary to Octal Converter

Translate binary base-2 code into the octal base-8 format.

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Binary to Hexadecimal

Translate binary base-2 code into hexadecimal base-16 architecture.

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Binary to ASCII Text

Decode a binary sequence into readable English text/characters.

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Text to Binary

Encode readable text or ASCII characters down into base-2 machine binary.

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Binary to Gray Code

Convert a standard binary sequence into reflected binary (Gray Code).

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Decimal to Binary Converter

Convert standard base-10 decimal integers into base-2 machine binary.

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Decimal to Octal

Convert standard base-10 numbers into octal base-8.

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Decimal to Hex Converter

Convert base-10 integers into base-16 strings.

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Decimal to Roman Numerals

Translate chronological combinations numbers into classic Roman characters.

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Decimal to BCD Converter

Convert base-10 Decimal numbers to Binary Coded Decimal (8421).

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Decimal to Excess-3 Converter

Encode Decimal values into self-complementing Excess-3 logic sequences.

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Roman to Decimal Numerals

Decode classic Roman architectural numerals back to standard metrics.

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Hexadecimal to Decimal

Process base-16 hashes/identifiers down to base-10 numerical data.

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Hex to RGB Color Converter

Extract pure CSS Red, Green, and Blue component values from a Hexadecimal color code.

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Hex to Text Decoder

Decode Base-16 strings into readable ANSI/ASCII formatted text.

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Cryptography & Security

RSA, SHA, Password, JWT, Bcrypt

Hash Generator (MD5, SHA)

Instantly generate MD5, SHA-1, SHA-256, and SHA-512 hashes natively.

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Secure Password Generator

Generate cryptographically secure passwords and passphrases locally.

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QR Code Generator

Convert text or URLs into downloadable SVG/PNG QR Codes.

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HMAC Signature Generator

Generate highly secure JSON webhooks and data digests mapped to SHA-256 HMAC iterations offline.

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BCrypt Hash Engine

Map 10-16 round cryptographic variables scaling computational resources protecting hash validations.

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Entropy Strength Analyzer

Logarithmically track complex distribution sequences offline extracting brute-force resilience percentages.

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1D Barcode Generator

Paint ASCII boundaries across encoded line matrices dynamically mapping code128 constraints offline.

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UUID / GUID Generator

Instantly generate bulk version 4 UUIDs.

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AES Symmetric Key Generator

Calculate unguessable cryptographic keys parsing pure 256-bit symmetric entropy locally seamlessly securely natively safely gracefully.

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RSA Key Generator

Generate cryptographically secure RSA public and private key pairs instantly inside your browser without external servers natively.

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ECDSA Key Generator

Derive highly secure Elliptic Curve Digital Signature Algorithm key bounds mapping exact P-256/384/521 curves resolving strict JSON Web Key formats dynamically locally.

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PEM to JWK Converter

Extract pure JSON Web Key structures iterating strict Privacy Enhanced Mail blocks securely without transmitting private data natively seamlessly.

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Public Key Fingerprint Generator

Extract strict cryptographically exact SHA-256 string validation bounds rendering standard OpenSSH keys digitally natively securely.

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Base64 Encoder

Encode strings to Base64 or decode back to text.

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Colors & UI Design

CSS Gradients, Tailwind HSL, WCAG

Color Picker & Converter

Visual tool to convert between HEX, RGB, and HSL formats.

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CSS Gradient Builder

Visually execute interactive HTML pixels rendering pure background radial syntaxes offline.

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Tailwind Color Generator

Interpolate custom hex variables generating scalable HSL configurations spanning shades 50-950 targeting Tailwind or CSS variables perfectly offline.

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Image Color Extractor

Extract visual palette bounding matrices interpolating client canvases securely completely determining hex codes successfully.

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WCAG Contrast Checker

Validate relative luminance interpolating robust WCAG contrast standards visually checking textual accessibility accurately locally.

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Hex Brightness Calculator

Instantly adjust the luminance of any hex code.

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RGB Shade Generator

Generate beautiful custom RGB tints and shades instantly.

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CSS Clip Path Generator

Visually construct stunning CSS `clip-path` shapes.

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CSS Box Shadow Generator

Visually generate and export robust cross-browser CSS box-shadow properties with custom modifiers.

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CSS Border Radius Generator

Determine CSS webkit border-radius properties manipulating dynamic 4-point and 8-point geometric intersections.

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Tailwind Material Color Generator

Free online Tailwind Material Color Generator utility.

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Text & Linguistics

Word count, Diffs, Translators, Sorting

Word & Char Counter

Count words, characters, sentences, and paragraphs.

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Lorem Ipsum Generator

Generate placeholder text for design and mockups.

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Case Converter

Convert text between UPPERCASE, lowercase, camelCase, and more.

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List Sorter & Deduplicator

Alphabetize lists, remove duplicates, and reverse lines instantly.

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Text to Binary

Encode and Decode ASCII strings to Base-2 computer Binary.

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Roman ↔ Devanagari Translator

Blend specific phonetic transliteration array mappings natively parsing complex string bounds globally accurately completely dynamically smoothly.

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KrutiDev ↔ Unicode Font Converter

Translate Legacy ASCII text replacements mapping explicit boundaries effectively converting text reliably completely without external dependencies gracefully.

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Hindi Grammar & Spell Checker

Verify typed Devangari content strictly mapping against an offline vocabulary validation tree smoothly.

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Hinglish Extractor & Normalizer

Clean malicious typed texts manipulating sequences securely tracing bounds perfectly generating syllable strings functionally.

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Text Diff Checker

Compare textual variations tracking additions and deletions visually via intelligent LCS heuristic arrays natively purely locally seamlessly.

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Web Utilities

Markdown, HTML, Slugs, UUIDs

URL Encoder / Decoder

Safely encode and decode URL parameters and strings.

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HTML Formatter

Format, minify, and escape HTML entities natively.

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Markdown Viewer & Converter

Write markdown and instantly preview it as rendered HTML.

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URL Slug Generator

Generate clean and SEO-friendly URL slugs.

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Image to Base64 Encoder

Convert your local image files into Base64 binary arrays perfectly preventing HTTP remote fetches safely.

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Base64 to Image Decoder

Decode inline Base64 data sequences directly mapping DOM images allowing seamless transparent image downloads.

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Color Contrast Checker

Verify hex color background combinations natively against WCAG AA and AAA accessibility ratios.

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Meta Tag Preview Simulator

Test your website's meta titles and descriptions precisely as they'll appear in Google SERP.

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Open Graph Preview Simulator

Visually construct and test your website's Open Graph (OG) and Twitter Card tags.

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URL Slug Analyzer

Analyze URL slugs for SEO optimization. Detect stop words, length issues, and formatting errors.

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Secure Random Key Generator

Generate cryptographically secure cryptographic keys locally using Native Web Crypto API.

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RSA PEM Formatter

Convert raw RSA Base64 blocks into strict MIME 64-character width PEM formats.

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RSA Key Strength Estimator

Estimate crack times for RSA asynchronous keys using the GNFS algorithm approximations.

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SSH Public Key Formatter

Convert base64 modulus blobs straight into flattened OpenSSH authorized_keys format.

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CSR Generator Tool

Build local OpenSSL Open Commands safely without transmitting your private keys to remote servers.

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Dates & Time

Timezone, Date Diff, Countdown, Schedule

Timezone Converter

Calculate time differences across global cities.

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Unix Timestamp Converter

Convert Epoch/Unix timestamps to standard UTC and local Human formats.

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Date Difference Calculator

Find out exactly how many days, weeks, months, or years are between two dates.

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Workday Calculator

Calculate exact business working days between dates, excluding weekends and holidays.

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Event Countdown Generator

Create a live countdown timer until your custom dates, birthdays, or celebrations.

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Cron Scheduler Visualizer

Translate complex numeric bounds visually determining specific intervals completely without npm modules.

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Unit Conversions

Length, Weight, Energy, Data, Physics

Universal Number Converter

Convert instantly between Binary, Hex, Octal, ASCII, and Roman numerals natively.

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Universal Unit Converter

Convert physical metrics ranging across Length, Weight, Temperature, Energy, Power, Speed, Time, and Pressure.

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Binary To Decimal

Free online Binary To Decimal utility.

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Meters to Feet Converter

Instantly convert Meters (m) to Feet (ft) with this fast, free online tool.

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Feet to Meters Converter

Accurately convert Imperial Feet (ft) to Metric Meters (m).

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Kilometers to Miles (km to mi)

Convert Kilometers to standard Miles for distance and speed calculations.

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Miles to Kilometers (mi to km)

Convert Imperial Miles to Metric Kilometers safely and quickly.

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Inches to Centimeters (in to cm)

Translate tiny imperial lengths (Inches) into Metric Centimeters.

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Kilograms to Pounds (kg to lbs)

Fast metric weight conversion from Kilograms to Imperial Pounds.

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Pounds to Kilograms (lbs to kg)

Convert Imperial Pounds into precise Metric Kilograms.

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Grams to Ounces Converter

Convert small metric Grams into customary Ounces.

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Celsius to Fahrenheit Converter

Convert Metric Celsius temperatures into customary Fahrenheit.

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Fahrenheit to Celsius

Convert Fahrenheit temperatures back into absolute Metric Celsius.

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Celsius to Kelvin

Translate standard Celsius degrees into absolute Kelvin readings.

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Joules to Calories (J to cal)

Convert thermodynamic work values safely from standard Joules into Gram Calories.

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Kilowatt Hours to Joules (kWh to J)

Extract the exact aggregate standard energy from a measured Watt-hour capacity.

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BTU to Joules

Translate heating metrics from British Thermal Units directly into Joules.

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Watts to Kilowatts (W to kW)

Convert base output Watts straight into structured Kilowatts.

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Horsepower to Watts (hp to W)

Convert a mechanical engine horsepower rating into pure continuous Watts.

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Kilometers per Hour to Miles per Hour

Translate metric driving speeds (km/h) into standard imperial driving speeds (mph).

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Miles per Hour to km/h

Format mph into highly accurate kilometers per hour.

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Meters/Second to km/h

Find out what traveling a set amount of metric meters equates to per hour.

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Knots to km/h

Convert Nautical vehicle velocities perfectly into standardized kilometers over hours.

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Seconds to Minutes

Quickly convert base second metrics cleanly into minutes.

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Minutes to Hours

Measure the duration of a specific minute-span across standard hours.

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Hours to Days

Break complex hourly schedules natively into standard calendar day formats.

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Days to Weeks

Structure long-term calendar spans of raw days into formatted week counts.

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Pascal to Bar

Scale base aerodynamic pressures (Pascals) upwards efficiently to Bar formats.

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PSI to Bar

Convert imperial internal Pounds per Square Inch directly into atmospheric continuous Bar reads.

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Atmospheres to Pascal (atm to Pa)

Reverse atmospheric absolute pressure conditions into finite mathematical Pascals natively.

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Expense Splitter

Split group bills and generate professional invoices

Expense Splitter & Tracker

Manage your group expenses, split bills instantly with custom algorithms, and export cleanly formatted mathematical balance sheets without registering.

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Advanced Digital Invoice Generator

Professional multi-template invoice creator with shop management and history support. Manage business profiles, soft-delete shops, and sync your entire billing history securely.

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Simple Invoice Creator

Lightning-fast, zero-persistence invoice tool. Fill, preview, and download. Ideal for one-off invoices without saving any business profiles or history.

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NPM Packages

Node modules and React libraries for developers

External Tool

Core Panchangam (panchangam-js)

A high-performance, offline-first Vedic astrology and Panchangam calculation library with 98.64% accuracy compared to standard almanacs.

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Mobile Apps

Handy mobile applications for Android

External Tool

Hindu Calendar 2026 – Panchang

Never miss an auspicious moment. Plan your days, festivals, and life events with the most complete Hindu Panchang app for 2026 — trusted by families across India.

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S3Softs School Suite

S3Softs College Suite

S3Softs Agro Suite

S3Softs Gym Suite

S3Softs Hostel Suite

S3Softs Library Suite

S3Softs Lab Suite

S3Softs Coaching Suite

API Integration

Custom SaaS Development

Mobile App Development

UI/UX Design Studio

Cloud Infrastructure

S3Softs School Suite Plans

S3Softs College Suite Plans

S3Softs Agro Suite Plans

S3Softs Gym Suite Plans

S3Softs Hostel Suite Plans

S3Softs Library Suite Plans

S3Softs Lab Suite Plans

S3Softs Coaching Suite Plans

Universal Public Apps Hub

Math & Everyday

Age Calculator

Percentage Calculator

LCM & GCD Calculator

Permutations & Combinations (nPr & nCr)

Fraction Calculator

Quadratic Equation Solver

Matrix Determinant Calculator

Standard Deviation Calculator

Decision Weight Matrix Calculator

Goal Progress Calculator & Trajectory Forecaster

Age In Weeks

Exam Countdown Timer

Zodiac Age & Timeline

Next Birthday Countdown

Current Week Number

Leap Year Checker

Time Arithmetic Calculator

Friendship Score & Tester

Lucky Day Generator

Random Color Generator

Random Name Generator

Random Squad Generator

Truth or Dare Generator

Random Quote Generator

Spin the Wheel Tool

Yes or No Wheel

Coordinate Distance Tracker

Flight Time Estimator

Sunrise & Sunset Zenith

Moon Phase Tracker

Scientific Math Evaluator

2D Matrix Math Grid

GPS Coordinate Translator

Zodiac Sign Extractor

Biological Rhythm Tracker

Sales Commission

Price Per Unit

Paint Coverage

Tile & Flooring

Cement Mix Ratio

Stair Stringer Builder

Roof Pitch Grade

GPA & CGPA Calculator

Grade Percentage Calculator

Attendance Tracker

Final Score Target

Prime Number & Factorization

Fibonacci Sequence Generator

Number Pattern & Palindrome

Factorial & Digital Root

Descriptive Statistics

Event Probability & Odds

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