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.
Developer Tools
JSON Debugger
Format, validate, and analyze JSON with intelligent error detection
API Tester
Test APIs with code generation and environment support
Regex Tester
Test regex patterns with real-time highlighting and code generation
JWT Analyzer
Decode and verify JWT tokens with security analysis
Timestamp Converter
Convert Unix timestamps, dates, and timezones instantly
GraphQL
GraphQL playground with schema explorer and auto-complete
Code Converter
Convert between cURL, code, SQL, and more
Mock Data
Generate realistic test data with custom schemas
HTTP Headers
Analyze security headers, CORS, and generate server configs
Color Picker
Pick colors, convert formats, generate palettes
Data Inspector
Auto-detect and decode any data format instantly
WebSocket/SSE
Debug WebSocket and Server-Sent Events in real-time
Log Analyzer
Filter and analyze logs with intelligent pattern detection
See it in action
Formatted JSON
{
"user": "dev",
"status": "active"
}Decoded Payload
{
"sub": "1234567890",
"name": "Developer",
"iat": 1516239022
}