RHD Studio ToolsFree Online JSON Formatter and Validator
Format, minify and validate JSON, with line and column numbers for errors and optional key sorting.
Loading tool…
Privacy: your files are processed in your browser and are not uploaded or stored by us. Third-party ads or analytics, if shown, may still make their own requests.
Ad slot: within instructions
How to use the json formatter and validator
- Type or paste your input, or choose a file to load it.
- Adjust the options shown below the input.
- Run the tool, then copy or download the result.
Good to know
Standard JSON only (no comments or trailing commas). Very large numbers can lose precision, as in any JavaScript parser.
Common uses
- Move data between apps and formats.
- Clean up text and data for scripts or spreadsheets.
- Convert quickly without installing software.
Frequently asked questions
Are my files uploaded to a server?
No. This tool runs in your browser and your file is not sent to our server or stored. Ads or analytics, when enabled, may make their own network requests; see our Privacy Policy.
What are the limits of the json formatter and validator?
Standard JSON only (no comments or trailing commas). Very large numbers can lose precision, as in any JavaScript parser.
Is the json formatter and validator free?
Yes. It is free, needs no account and has no watermark.