Developer Tool
JSON Formatter & Validator
Format, validate, and minify JSON instantly. Everything runs locally in your browser.
JSON Workspace
WaitingPaste JSON, format it, minify it, or copy the result. Nothing leaves your browser.
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Format, validate, and minify JSON in your browser.
Use this JSON formatter to clean up messy JSON, validate syntax, inspect parsing errors, and minify JSON for storage, APIs, or configuration files. All formatting runs locally in your browser, so your data is not sent to a server.
What can this JSON formatter do?
- Format JSON with readable indentation.
- Minify JSON into a compact single-line output.
- Validate JSON syntax and highlight parsing errors.
- Copy formatted or minified JSON back to your clipboard.