Our collection of free, browser-based tools for developers and everyone
Free AI prompt generator with 200+ ChatGPT prompts for developers
Generate QR codes.
Pick colors with our interactive color picker.
Count words, characters, and sentences.
Generate strong and secure passwords.
View and format your JSON data.
Test, explain, and debug regex with advanced features.
Write Markdown text and see live preview.
Some helpful AI links
Keeps your computer awake while on the page.
Tune your guitar with this online tuner.
Create multiple checklists with drag-drop, priorities, due dates, templates & more.
Encode and decode Base64 strings.
Inspect certificates and export them as Base64.
Check SSL certificate expiration dates for multiple URLs.
Decode gzip-compressed data from Base64, hex, or .gz files.
Upload Excel or CSV files and preview sheets instantly in the browser.
Calculate your Body Mass Index.
Kitchen timers, conversions, temperatures & cooking guides
Plan cookie batches for large orders and restaurant extras.
Pick a popular bread and get simple, step-by-step directions.
Select ingredients you have and get dinner ideas instantly.
Use the Pomodoro technique for productivity.
Parse Amazon Orders CSVs with charts, filters, and tax-season snapshots.
Analyze business bank CSV exports with cashflow dashboards and print-ready reports.
Parse Alibaba payment exports with supplier insights and print-ready summaries.
Generate simple pdf invoices
Simple sudoku number game
Simple tic tac toe game
Its a block you fly
2D sandbox game - mine, build, and explore!
Resources to help those in need
Manage staff schedules with skills-based auto-scheduling
Learn the revolutionary AI-powered development methodology
Create professional restaurant menus with customizable templates
Decode, verify, and create JSON Web Tokens with advanced features
Generate UUID v4 and ULID identifiers in bulk.
Generate SHA hashes from text or files.
Parse, build, and encode URLs and query strings.
Send API requests with headers, JSON bodies, and quick response inspection.
Compare two texts and highlight line-by-line changes.
Model combat profiles, compare TTK across enemy tiers, and replay deterministic sandbox timing.
Build and validate cron expressions with quick presets.
Inspect OpenAPI/Swagger specs with endpoint summaries.
Convert between JSON, CSV, TSV, query strings, and encodings.
Create game-ready pixel art sprites, tilesets, textures, and animations
Build block-style creations in a 3D grid with colors, undo/redo, and JSON save/load.
Generate articulated dragons for 3D printing.
3D pool quick play prototype with card-ready architecture for trick effects and deck mechanics.
Strategic tower defense game - place towers to defend against waves of enemies
Turn-based grid tactics inspired by 16-bit classics. Move, attack, and outsmart the enemy!
Mobile-friendly turn-based strategy prototype inspired by Martrest.
Defend your dreadnought from waves of enemy ships - build turrets on your spaceship to survive!
Classic roguelike dungeon crawler - explore procedural dungeons, fight monsters, collect loot!
Cyberpunk survival game - battle waves of enemies in synthwave style with rhythm mechanics!
Space RTS game - command fleets, conquer star systems, and dominate the galaxy!
Strategic card battler with RPG elements - collect cards, build decks, and conquer elemental realms!