Format, minify and validate JSON locally in your browser.
Privacy: this tool processes your input in your browser unless clearly stated otherwise. Nothing is uploaded by this page.
Readable JSON is easier to debug and inspect, while validation catches syntax errors before data is used elsewhere.
The browser parser checks the text, then formatting or minification changes only whitespace.
Syntax validation does not prove that a JSON document matches an API schema.
Yes. It is provided as a free browser-based utility.
No account is required for ordinary use.
No. Treat the result as an estimate or utility output and verify important decisions with the appropriate official source.
See our Methodology & Editorial Standards for how tools are tested and explained.