Developer Tools
Format and minify JSON payloads, encode and decode Base64 strings, visually build Linux cron expressions, and inspect JWT tokens 100% locally in your browser memory.
JSON Formatter & Validator
Format, validate, beautify, and minify JSON strings with live syntax error checking.
Base64 Encoder & Decoder
Encode plain text into Base64 format and decode Base64 strings back to readable text.
Cron Expression Generator & Explainer
Generate Linux cron schedule expressions visually with human-readable schedule explanations.
JWT Token Decoder & Inspector
Decode JSON Web Tokens (JWT) to inspect color-coded headers, payload claims, and expiration dates.
Instant Client-Side Execution
Calculations and string formatting run in your browser JavaScript runtime with zero network latency.
100% Private & Secure
Your API keys, JWT tokens, and private JSON data are never sent to external servers or logged.
Developer Friendly
Clean code formatting, copy buttons, and visual builders designed to speed up daily engineering tasks.