Code & Data

Pretty-print, minify, validate and convert structured data and source code. Every tool runs locally in your browser, so you can paste config files and API responses without sending them anywhere.

• JSON FormatterPretty-print or minify JSON with clear error locations.
• JSON ValidatorCheck JSON syntax and see exactly where it breaks.
• JSON MinifierStrip whitespace from JSON and see the size saved.
• XML FormatterValidate, pretty-print and minify XML documents.
• HTML FormatterBeautify or minify HTML markup.
• CSS FormatterBeautify or minify CSS stylesheets.
• SQL FormatterFormat SQL for MySQL, PostgreSQL, SQLite and more.
• YAML FormatterValidate YAML and convert between YAML and JSON.
• CSV to JSONConvert CSV rows into a JSON array.
• JSON to CSVTurn a JSON array of objects into a CSV file.