Tools for developers
Online JSON formatting and validation tool, supporting compression and beautification
Test and debug regular expressions with real-time highlighting and explanation
Simulate Git merge conflict scenarios and practice resolving code conflicts
Convert between HTML text and entity encoding
Parse, verify and debug JWT tokens online
Automatically generate TypeScript interfaces and client code based on OpenAPI specifications
Automatically generate Mock API based on OpenAPI specifications
Analyze code complexity metrics such as cyclomatic complexity and maintainability
Compare two pieces of code and highlight the differences
Obfuscate JavaScript and CSS code to enhance security and protect intellectual property
Generate random UUIDs and GUIDs with customizable options, useful for database keys, temporary filenames, etc.
Format and beautify HTML code for better readability
Free online JSON difference comparison tool, quickly compare two JSON files. Supports syntax validation, formatting, difference highlighting, helping developers quickly locate JSON data changes