Code Tools
Inspect, validate and pull apart the payloads that pass through your services.
- JSON Formatter & ValidatorFormat, minify and validate JSON with precise error positions.
- URL Parser & BuilderBreak a URL into its parts, edit query parameters and rebuild it.
- Regular Expression TesterTest regular expressions against sample text with live match highlighting.
- JWT Token DecoderDecode a JWT's header and payload and inspect its claims. Decoded in your browser.
Code Development Tools
Essential utilities for developers working with JSON, URLs, regular expressions, and JWT tokens.
Developer Tips
All tools process data locally in your browser. Bookmark frequently used tools for quick access.
JSON Formatter & Validator
Format, validate, and minify JSON data with syntax highlighting
Key Features
- JSON formatting & prettifying
- Syntax validation
- Minification
- Error highlighting
Common Use Cases
- API response formatting
- Configuration files
- Data debugging
- JSON validation
URL Parser & Builder
Parse URLs into components and build URLs from parts
Key Features
- URL component extraction
- Query parameter parsing
- URL building
- Encoding/decoding
Common Use Cases
- API endpoint analysis
- Query string manipulation
- URL validation
- Link building
Regular Expression Tester
Test and debug regular expressions with real-time matching
Key Features
- Real-time pattern matching
- Group capture visualization
- Match highlighting
- Common regex patterns
Common Use Cases
- Input validation
- Text processing
- Data extraction
- Pattern debugging
JWT Token Decoder
Decode and inspect JSON Web Tokens without verification
Key Features
- Header decoding
- Payload inspection
- Token structure analysis
- Claims visualization
Common Use Cases
- Token debugging
- API authentication
- Claims inspection
- Token analysis
Developer Workflow Integration
Data Processing Tools
JSON Formatter: Essential for API development and config management.
URL Parser: Critical for web development and API endpoint construction.
JWT Decoder: Vital for authentication debugging and token analysis.
Pattern Matching & Validation
Regex Tester: Perfect for input validation and text processing patterns.
Real-time Testing: Immediate feedback helps debug complex patterns.
Common Patterns: Pre-built patterns for email, phone, and more.
Quick Development Workflow
Format JSON
Clean up API responses
Parse URLs
Extract query parameters
Test Regex
Validate input patterns
Decode JWT
Inspect token claims