Privacy-First 100% Client-Side & Privacy-First: Your data never leaves your device

All Utilities & Games

Lightning-fast, private, and running 100% locally in your web browser.

Developer

JSON Formatter & Validator

Format, validate, and minify JSON data in milliseconds.

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Developer

Base64 Encoder & Decoder

Instantly convert text and files to and from Base64.

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Developer

Cryptographic Hash Generator

Compute instant SHA-256, SHA-1, and MD5 hashes.

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Developer

UUID / GUID Generator

Generate cryptographically random V4 UUIDs.

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Developer

JWT Inspector & Decoder

Inspect JSON Web Tokens without sending data to external servers.

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Mini-Games

Retro Snake Game

The timeless arcade classic with fluid 60FPS browser canvas physics.

Play Game
Mini-Games

2048 Puzzle

Slide and merge numbers to reach the legendary 2048 tile.

Play Game
Mini-Games

Tic-Tac-Toe with AI

Classic 3x3 grid with an unbeatable AI Minimax engine or local 2-player mode.

Play Game
Mini-Games

Reaction Time Tester

Test and train your visual reaction speed down to the millisecond.

Play Game
Mini-Games

Memory Card Match

Flip cards and find pairs in this focus and memory challenge.

Play Game
Mini-Games

Word Guess (Wordle Style)

Guess the hidden 5-letter word in six tries with color-coded clues.

Play Game
Text & Data

Word & Character Counter

Real-time metrics for words, characters, sentences, and reading time.

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Text & Data

Case Converter

Instantly transform text casing to any desired format.

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Text & Data

Text & Code Diff Checker

Compare two texts side-by-side and spot differences instantly.

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Productivity

QR Code Generator

Create instant, downloadable QR codes for URLs, Wi-Fi, and text.

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Productivity

Strong Password Generator

Generate cryptographically random passwords with an entropy meter.

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Productivity

Color Contrast & WCAG Checker

Calculate real-time WCAG contrast ratios and convert color formats.

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Math & Numbers

Percentage & Discount Calculator

Calculate percentages, discounts, and percentage changes.

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Math & Numbers

Universal Unit Converter

Seamlessly convert length, weight, temperature, and digital data.

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Math & Numbers

Aspect Ratio Calculator

Calculate proportional dimensions and screen resolutions.

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Focus & Daily

Pomodoro Focus Timer

Boost concentration and rhythm with timed productivity intervals.

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Focus & Daily

Daily Water Intake Calculator

Calculate your optimal daily hydration requirements.

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Focus & Daily

Random Decision Maker & Coin Flip

Make fair, neutral choices with 3D coin flips, dice rolls, and custom lists.

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ESC

Accessibility & Display

High Contrast Mode
Increases text and interactive border contrast
Large Font Size
Scales text size by 120% for effortless reading
Reduced Motion
Disables animations and transitions