Popular Tools
JSON Formatter⭐
Format, validate, and minify JSON with syntax highlighting
API Key Generator⭐
Generate secure API keys with custom patterns
JWT Generator⭐
Create and decode JSON Web Tokens
Unix Timestamp⭐
Convert between Unix timestamps and human-readable dates
API Tester⭐
Test REST APIs with request builder and response viewer
Diff Checker⭐
Compare text and code with side-by-side diff view and syntax highlighting
All Tools
20 toolsJSON Formatter⭐
Format, validate, and minify JSON with syntax highlighting
SQL Formatter
Format and beautify SQL queries with multiple dialects
XML Formatter
Format, validate, and transform XML documents
CSS Formatter
Format and minify CSS with vendor prefix management
API Key Generator⭐
Generate secure API keys with custom patterns
Mock Data Generator
Generate realistic test data for development
JWT Generator⭐
Create and decode JSON Web Tokens
Regex Builder
Build and test regular expressions with explanations
Unix Timestamp⭐
Convert between Unix timestamps and human-readable dates
Color Converter
Convert between HEX, RGB, HSL, and other color formats
Number Base ConverterNew
Convert between binary, decimal, hexadecimal, and octal with bit operations
Data Format ConverterNew
Convert between JSON, YAML, XML, and CSV formats
JSON ValidatorNew
Validate JSON with schema support and error detection
YAML ValidatorNew
Validate YAML syntax and structure with multi-document support
API Tester⭐New
Test REST APIs with request builder and response viewer
Webhook TesterNew
Test webhooks with temporary endpoints and logging
Diff Checker⭐New
Compare text and code with side-by-side diff view and syntax highlighting
Log ViewerNew
Parse and analyze log files with filtering and search
Performance AnalyzerNew
Analyze code performance and optimization opportunities
Debug ConsoleNew
Interactive debugging console with code execution
🛠️ Developer Productivity
Professional developer tools for formatting, generating, converting, and debugging code. All tools feature modern interfaces, real-time processing, and work directly in your browser.