Free Online Tools & Mini Games
100% client-side. No uploads. No sign-up. Instant play.
🖼 Image Tools
Image Compressor
Compress PNG, JPG, and WebP images in bulk and download as ZIP.
Batch Image Resizer
Resize multiple photos by exact pixels or percentage locally.
PNG to WebP Converter
Convert PNG/JPG to next-gen WebP with transparency preserved.
Favicon & App Icon Generator
Generate multi-size favicons (16px to 512px) & webmanifest in one ZIP.
📄 PDF Tools
📝 Text Tools
Word & Character Counter
Count words, characters, reading time, and top keyword density.
Text Diff Checker
Compare two texts or code snippets line-by-line side-by-side.
Case Converter
Switch between camelCase, snake_case, kebab-case, and Title Case.
Remove Accents
Strip Vietnamese & Unicode diacritics into plain ASCII or URL slugs.
💻 Developer Tools
JSON Formatter
Format, validate, minify, and sort JSON keys cleanly.
Base64 Encode / Decode
Convert text or files to Base64 strings and decode back.
UUID / GUID Generator
Generate bulk cryptographically secure UUID v4 and v7 IDs.
Regex Tester
Test regular expressions in real time with match highlighting & groups.
JWT Decoder
Decode JSON Web Tokens (Header & Payload) and check expiration locally.
CSS Gradient & Shadow
Visually craft CSS gradients and box-shadows with instant copy.
🔧 Utilities
Strong Password Generator
Create high-entropy random passwords using Web Crypto API.
QR Code Generator
Create custom PNG & vector SVG QR codes for URLs and Wi-Fi.
Color Picker & Converter
Pick colors and convert HEX, RGB, HSL, and Tailwind shades.
URL Encoder & UTM Builder
Encode/decode URLs and generate campaign UTM tracking links.
Pomodoro Focus Timer
Stay productive with customizable 25/5 focus intervals and sound alerts.
🧠 Puzzle & Logic
2048 Classic
Swipe or use arrow keys to merge matching tiles and reach 2048. Includes Undo & Best Score.
Minesweeper
Uncover safe tiles and flag all hidden mines across Easy, Medium, and Hard boards.
Sudoku Master
Randomly generated 9×9 Sudoku puzzles with 3 difficulty levels and live conflict check.
Wordle Unlimited
Guess the hidden 5-letter English word in 6 tries. Play unlimited rounds anytime.
🕹️ Arcade & Reflex
Neon Snake
Modern neon arcade snake with keyboard and mobile touch swipe controls.
Sky Hopper (Flappy)
One-tap reflex flyer. Thread through glowing pillars and beat your best streak.
Typing Speed Test (WPM)
Measure your typing speed (WPM) and accuracy in 30s or 60s sprints.
Memory Card Match
Flip cards and match all icon pairs in the fastest time and fewest moves.