Statistical Calculator
Parse blocks of messy numeric data to instantly calculate the Mean, Median, Sum, Min, and Max.
Developer Tools
JSON beautifiers, hash generators, regex testers, JWT decoders, CSV converters — the daily-driver tools every developer reaches for. All run locally in your browser.
UUID/GUID Generator
Generate bulk secure version 4 UUIDs instantly.
Bcrypt Hash Generator
Generate and verify Bcrypt hashes with adjustable salt rounds.
Text Diff Checker
Compare text and code to highlight added and removed differences.
CSV to JSON Converter
Instantly convert CSV data into a cleanly formatted JSON array.
CRON Expression Generator
Visual UI to perfectly generate scheduling CRON expressions.
HTTP Status Codes
Searchable cheat sheet for all standard HTTP network status codes.
Browser Games
Instant-play HTML5 games. No installs, no signups. Reflex arcades, puzzles, sports, and physics — a full arcade in your tab.
Classical Tic-Tac-Toe
Play a game of Tic-Tac-Toe against a friend or yourself. Beautifully designed for focused play.
Memory Match Arena
Test your brain speed by matching emojis in this addictive memory pair game.
Aim Click Challenge
Test your reaction speed! Click as many targets as you can in 30 seconds.
The Color Quiz
Test your visual vocabulary by matching names to color samples.
Labyrinth Navigator
Explore randomly generated procedural mazes. Find the exit before time runs out.
Fruit Slasher Extreme
Slice flying fruits with precision. Avoid bombs and aim for high combos in this high-performance canvas game.
Virtual HTML5 Arcade
The ultimate container for your favorite web games. Load any HTML5 game URL instantly.
Fall Down Challenge
Drop through the gaps in the moving platforms without getting squished or left behind.
Text & Writing
Word counters, case converters, list cleaners, email/URL extractors. The writer's toolbox for crafting and cleaning up text.
Word & Character Counter
Count words, characters, and paragraphs in real-time as you type.
Reverse Text
Instantly reverse characters, words, or lines in a string of text.
Change Text Case
Convert text between UPPERCASE, lowercase, Title Case, camelCase, and more.
Remove Duplicate Lines
Clean up data lists by instantly removing identical duplicate lines of text.
Sort Lines
Sort lines of text alphabetically (A-Z, Z-A) or cleanly by string length.
Extract Emails
Scan disorganized blocks of text or HTML to securely extract all valid email addresses.
Math & Numbers
Percentage calculators, base converters, statistical tools, prime checkers. Quick computation without spreadsheet overhead.
Percentage Calculator
Calculate percentages, increases, and decreases exactly.
Unit Converter
Bi-directionally convert lengths and weights perfectly.
Random Number Generator
Generate massive batches of exactly bounded random numbers safely and instantly.
Base Converter (Hex/Bin/Oct)
Simultaneously cross-convert numeric values between Decimal, Hexadecimal, Binary, and Octal bases.
Statistical Calculator
Parse blocks of messy numeric data to instantly calculate the Mean, Median, Sum, Min, and Max.
Prime Number Checker
Check if any massive integer is a prime number and immediately find its lowest factors if it is not.
Finance & Money
Loan amortization, compound interest, tip splitters, currency conversion. Make financial decisions with clear, instant numbers.
Loan Calculator
Calculate monthly loan payments, total interest, and amortization.
Compound Interest
Calculate the future value of an investment with regular contributions.
Tip & Bill Splitter
Quickly calculate exact tips and split the bill among any number of people.
Currency Converter
Convert between world currencies using live exchange rates, updated hourly.
Discount & Sales Price
Calculate the final price of an item after applying percentages and sales tax.
Design Toolkit
Color palettes, image compressors, SVG converters, box-shadow generators. The designer's swiss army knife.
Color Palette Generator
Upload any image and instantly extract its 5-6 dominant colors as a shareable HEX palette.
Image Compressor
Compress images client-side to WebP or JPEG with quality control. 100% private, no uploads.
SVG to PNG Converter
Convert SVG code or files to high-resolution PNG images at 1x, 2x, 3x, or 4x scale.
Aspect Ratio Calculator
Calculate ratios and perfectly scale dimensions for images and video.
Color Value Converter
Instantly convert Hex to RGB and HSL colors with live visual previews.
CSS Box Shadow Generator
Design and generate complex CSS Box Shadows visually.
Health & Lifestyle
BMI, BMR/TDEE, body fat, ovulation, age calculators. Personal health math made simple.
BMI Calculator
Calculate your Body Mass Index and determine your weight category.
BMR & TDEE Calculator
Find your Basal Metabolic Rate and Total Daily Energy Expenditure.
Ovulation Calculator
Estimate your fertile window and next expected period based on your cycle.
Exact Age Calculator
Find your exact age in years, months, and days and see how long until your next birthday.
Days Between Dates
Calculate the total number of days, weeks, and months between any two selected dates.
Body Fat Calculator (Navy Method)
Estimate your body fat percentage using standard body circumference measurements.
Productivity
Pomodoro timers, Eisenhower matrices, habit trackers, markdown editors. Get more done without overhead.
Pomodoro Focus Timer
Boost focus with a customizable Pomodoro timer and short breaks.
Reading Time Calculator
Estimate exactly how long it takes to finish a book based on page count and reading speed.
Markdown Live Editor
Take rapid notes with a live markdown preview. Auto-saves locally.
Eisenhower Matrix
Prioritize your tasks effectively with an Urgent/Important quadrant board. Auto-saves locally.
Daily Habit Tracker
Track daily habits and maintain your streak. Auto-saves locally.
Security
Cryptographically strong password generators. Generate secrets that never leave your browser.
101 professional tools.
Zero sign-ups. Zero tracking.
Every tool runs entirely in your browser. Your data never leaves your device. Built for developers, designers, students, and anyone who needs to get things done.