All 71 Tools, A–Z
The complete directory. Every tool listed here exists, works, and is free — no exceptions.
5
A
B
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text — fully in your browser.
Text ToolsBMI Calculator
Calculate Body Mass Index with metric or imperial units and WHO categories.
CalculatorsBMR & TDEE Calculator
Calculate calories burned at rest and daily needs by activity level.
Health & FitnessBody Fat Calculator
Estimate body fat percentage with the U.S. Navy tape-measure method.
Health & FitnessBreak-Even Calculator
Find how many units you must sell to cover fixed and variable costs.
Business ToolsC
Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case and more.
Text ToolsCoin Flip
Flip a virtual coin with animation and running statistics.
Everyday UtilitiesColor Code Converter
Convert colors between HEX, RGB, HSL and CMYK formats.
ConvertersColor Picker
Pick colors and get HEX, RGB and HSL values, shades, tints and palettes.
Image ToolsCompound Interest Calculator
Project investment growth with compounding and optional monthly contributions.
CalculatorsCountdown Timer
Set a countdown with alarm — presets for common durations.
Everyday UtilitiesCSS Gradient Generator
Design linear and radial gradients visually and copy the CSS.
Developer ToolsCSS Minifier
Minify CSS by removing comments and whitespace — see the size savings.
Developer ToolsD
Date Difference Calculator
Count days, weeks, months and years between two dates.
CalculatorsDebt Payoff Calculator
See how long paying off a debt takes and how extra payments help.
Finance ToolsDice Roller
Roll dice online — d4 to d100, multiple dice, with roll history.
Everyday UtilitiesDiscount Calculator
Calculate sale prices, savings and stacked discounts instantly.
CalculatorsDuplicate Line Remover
Remove duplicate lines from any list or text, with sorting and trimming options.
Text ToolsF
Find & Replace
Find and replace text online with case-sensitive and whole-word options.
Text ToolsFuel Cost Calculator
Estimate fuel cost for any trip from distance, efficiency and fuel price.
CalculatorsG
H
Hash Generator (SHA-256, SHA-512)
Compute SHA-1, SHA-256, SHA-384 and SHA-512 hashes with the Web Crypto API.
Security ToolsHTML Entity Encoder / Decoder
Escape or unescape HTML entities like <, > and &.
Developer ToolsI
Image Color Extractor
Extract the dominant color palette from any image.
Image ToolsImage Compressor
Compress JPEG, PNG and WebP images locally — no uploads, no limits.
Image ToolsImage Resizer
Resize images to exact pixel dimensions or percentages, privately.
Image ToolsImage to Base64
Convert images to Base64 data URLs for embedding in HTML, CSS or JSON.
Image ToolsInvoice Generator
Create professional invoices with tax and totals — download as PDF, free.
Business ToolsJ
JavaScript Minifier
Safely compress JavaScript by stripping comments and whitespace.
Developer ToolsJSON Formatter & Validator
Beautify, validate and minify JSON with clear error locations.
Developer ToolsJWT Decoder
Decode JSON Web Tokens and inspect header, payload and expiry — locally.
Developer ToolsL
Loan EMI Calculator
Calculate monthly loan payments, total interest and an amortization view.
CalculatorsLorem Ipsum Generator
Generate placeholder paragraphs, sentences or words for designs and mockups.
Text ToolsM
Markdown Editor & Preview
Write Markdown with a live side-by-side HTML preview.
Developer ToolsMorse Code Translator
Translate text to Morse code and back, with audio playback.
ConvertersMultiplication Table Generator
Generate printable multiplication tables and practice grids.
Education ToolsN
P
Password Generator
Generate cryptographically secure passwords with strength and crack-time estimates.
Security ToolsPassword Strength Checker
Test password strength with entropy analysis and crack-time estimates — locally.
Security ToolsPercentage Calculator
Calculate percentages, increases, decreases and differences with steps shown.
CalculatorsPomodoro Timer
Stay focused with 25-minute work sessions and timed breaks.
Education ToolsProfit Margin Calculator
Calculate gross margin, markup and profit from cost and price.
Business ToolsQ
QR Code Generator
Create high-resolution QR codes for URLs, WiFi, text and contact info.
Image ToolsR
Random Name Picker
Pick random winners from a list, fairly, with animation.
Everyday UtilitiesRandom Number Generator
Generate random numbers in any range, with or without duplicates.
Everyday UtilitiesRandom PIN Generator
Generate secure random PIN codes of any length.
Security ToolsReadability Score Checker
Score text with Flesch Reading Ease and grade-level formulas.
Writing ToolsRegex Tester
Test regular expressions live with match highlighting and a cheat sheet.
Developer ToolsRemove Line Breaks
Clean up text by removing unwanted line breaks and extra spaces.
Writing ToolsRoman Numeral Converter
Convert between numbers and Roman numerals, both directions.
ConvertersS
Savings Goal Calculator
Find the monthly saving needed to hit any goal by a target date.
Finance ToolsSentence & Paragraph Counter
Count sentences and paragraphs with average-length analysis.
Writing ToolsSimple Interest Calculator
Calculate simple interest on loans and deposits with the formula shown.
Finance ToolsSleep Cycle Calculator
Find the best bedtime or wake time based on 90-minute sleep cycles.
Health & FitnessStopwatch
A precise online stopwatch with lap times and keyboard control.
Everyday UtilitiesT
Text Diff Checker
Compare two texts and highlight the differences line by line.
Text ToolsText Reverser
Reverse text by characters, words or lines instantly.
Text ToolsText to HTML Converter
Convert plain text to clean HTML paragraphs with encoded entities.
Developer ToolsTip Calculator
Calculate tips and split bills between any number of people.
CalculatorsTyping Speed Test
Test your typing speed in WPM with live accuracy tracking.
Education ToolsU
Unit Converter
Convert length, weight, temperature, area, volume, speed and data storage.
ConvertersUnix Timestamp Converter
Convert Unix timestamps to human dates and back, in local time and UTC.
ConvertersURL Encoder / Decoder
Percent-encode or decode URLs and query strings safely.
Text ToolsURL Slug Generator
Turn any title into a clean, SEO-friendly URL slug.
Text ToolsUUID Generator
Generate cryptographically secure UUID v4 identifiers, in bulk.
Developer ToolsV
W
Water Intake Calculator
Get a personalized daily water intake target from weight and activity.
Health & FitnessWord Counter
Count words, characters, sentences, paragraphs and reading time in real time.
Text ToolsWord Frequency Counter
Analyze keyword density and the most frequent words in any text.
Text Tools