Data Tools
JSON Formatter
Paste JSON to format, validate, and beautify it instantly in your browser. Free online JSON formatter.
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How to use
- Paste your JSON
- Choose indentation
- Copy the formatted result
Next step
- JSON Validator
Paste JSON to validate syntax instantly in your browser. See parse errors with path hints and a preview of valid payloads.
- JSON Minifier
Minify JSON by removing whitespace. See byte savings and copy compact output for APIs, logs, or storage—all in your browser.
- JSON Compare
Compare two JSON payloads and see which paths changed, were added, or removed. Structural diff with counts—runs locally in your browser.
Frequently asked questions
Does my JSON leave my device?
No. Formatting runs entirely in your browser. Nothing is uploaded to our servers.
Can I minify JSON too?
Set indentation to 0 to produce compact, minified JSON output.
Can I share my JSON?
Yes. Use Share link to copy a URL with your input and indent settings (large payloads may be omitted from the URL).