100% client-side — your data never leaves your browser
Debug your data.
Faster.
Developer tools that just work. Format JSON, decode JWTs, test APIs, analyze logs — all in one place. Clean, fast, and privacy-first.
No sign-up requiredZero data collectionOpen & free forever
Developer Tools
{ }
JSON Debugger
Format, validate, and analyze JSON with intelligent error detection
🔐
JWT Analyzer
Decode and verify JWT tokens with security analysis
🔍
Data Inspector
Auto-detect and decode any data format instantly
⚡
API Tester
Test APIs with code generation and environment support
📋
Log Analyzer
Filter and analyze logs with intelligent pattern detection
🔄
Code Converter
Convert between cURL, code, SQL, and more
See it in action
Formatted JSON
{
"user": "dev",
"status": "active"
}Decoded Payload
{
"sub": "1234567890",
"name": "Developer",
"iat": 1516239022
}