Developer tools
Every tool on this site, grouped by what it does. All of them run locally in your browser.
JSON
4 toolsFormat, validate, minify and inspect JSON without leaving the browser.
JSON FormatterIndent and inspect JSON as you paste it, with errors that say what is actually wrong.JSON ValidatorCheck whether JSON is valid, see what shape it has, and find duplicate keys a parser would hide.JSON MinifierStrip whitespace from JSON and see exactly how many bytes it saved, before and after.JSON StringifyEscape a JSON document into a string literal you can paste straight into code.