Developer & Programming Tools

Instantly compare text and code with live diffing, side-by-side and inline views, word/character highlighting, and whitespace ignore options. Secure and client-side.

Advanced JSON formatter, validator, tree viewer, and data converter with real-time validation and error highlighting.

Format, validate, and convert YAML files with comment preservation. Convert YAML to JSON, XML, and TOML with advanced linting.

Universal data format converter with auto-detection. Convert between JSON, YAML, XML, and TOML seamlessly with intelligent format recognition.

Generate realistic mock data with customizable schemas. Create JSON, CSV, SQL, XML, and YAML datasets with 25+ data types for testing and development.

A powerful, free online tool to generate realistic mock and dummy data. Build custom schemas, choose from dozens of data types, and export in JSON, CSV, or SQL formats.

A powerful, browser-based GraphQL IDE powered by GraphQL Editor. Visually explore schemas, write queries with a smart editor, and test your API in a single interface.