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JSON Formatter
Format, beautify, or minify JSON instantly. Detect errors in your JSON data with live validation and syntax highlighting.
How to use this tool
- Paste JSON into the input editor.
- Choose Format for readable output or Minify for compact single-line JSON.
- Copy or download the result to share with teammates or drop into config files.
Everyday uses
- Debug API payloads returned from staging versus production.
- Prepare human-friendly snippets for documentation or Slack threads.
- Clean up large configuration files before committing them to version control.
Formatting tips
- Minified JSON is great for transport but tough to diff, so keep a formatted copy for reviews.
- Check the stats line to understand how much whitespace was added or removed.
- Combine with the JSON Diff tool when you need to compare before and after outputs.
FAQ
- Why do I get an error?
- Ensure the JSON is valid. Missing commas or stray trailing commas will trigger a parsing error.
- Can I control indentation width?
- Yes. Choose 2, 4, or 8 spaces from the indentation dropdown before formatting.
- Is the data sent to a server?
- No. Parsing and formatting happen entirely in your browser.
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