A collection of small, fast, and free developer utilities. No data leaves your browser.
Encode and decode Base64 strings instantly
Decode and inspect JSON Web Token payloads and headers
Generate strong, random passwords with customizable options
Compare two texts and visualize the differences
Compare two JSON objects with auto-prettification
Break down and explain regular expressions token by token
A shareable notepad with file attachments — anyone with the link can access it
Parse, validate, and explore cron expressions with a human-readable breakdown
Plan sprint tasks with a simple planning poker tool
Real-time planning poker with your team using WebRTC
Convert CSV data into a clean HTML table
Generate curl, PowerShell, and fetch commands from request parameters