JSON Prettify
Format and beautify JSON with customizable indentation. Instantly prettify compressed JSON online in your browser.
What is JSON prettify?
JSON prettify (or beautify) is the process of formatting compressed JSON into a human-readable form with proper indentation and line breaks.
What indentation options are available?
You can choose between 2 spaces, 4 spaces, or tab indentation for the formatted output.
Is my data safe?
Yes. All processing happens locally in your browser. No data is sent to any server.
What happens if my JSON is invalid?
The tool will display an error message indicating the issue with your JSON syntax.
Can I use this tool offline?
Yes, once the page is loaded, it works entirely offline in your browser.
Does this tool validate JSON?
Yes, it automatically validates your JSON and shows syntax errors if any.
What is JSON used for?
JSON (JavaScript Object Notation) is a lightweight data format used for APIs, configuration files, and data exchange between systems.
Can I copy the formatted JSON?
Yes, you can easily copy the formatted output with one click.
Is there a file size limit?
No strict limit, but very large files may be slower depending on your browser's performance.
Does it support nested JSON?
Yes, it handles deeply nested JSON structures perfectly.