JSON Formatter
Format, validate, and minify JSON in the browser. Nothing you paste is uploaded.
Tool
Output
Output appears here.Your data stays in this browser and is not uploaded.
How it works
- 1
Paste JSON into the editor.
- 2
Choose an indent and format, or minify it.
- 3
Copy or download the result.
Related tools
JSON ValidatorCheck whether text is valid JSON and see a readable error when it is not.
JSON to YAMLConvert valid JSON into YAML with a maintained parser. Invalid JSON is rejected.
YAML to JSONConvert YAML into formatted JSON. Indentation and colon errors are reported.
XML FormatterFormat or minify well-formed XML and report a missing end tag.
Questions
Is my JSON uploaded?
No. Parsing happens in this browser tab. Analytics never receive the JSON.
What does an invalid file show?
You get a line and column when the parser can locate the problem, plus a short explanation.