JSON Validator
Validate JSON and see a clear success message or parse error.
Open ToolJSON Formatter
Format messy JSON into readable, indented output directly in your browser.
About JSON Formatter
JSON Formatter formats minified or messy JSON into readable, indented output.
It helps developers inspect objects, API responses, config files, and sample payloads without manually adding line breaks.
How to Use JSON Formatter
- Paste the JSON text.
- Run the formatter.
- Review the indented output.
- Copy the formatted JSON for debugging or documentation.
Common Use Cases
- Reading API responses.
- Cleaning config snippets.
- Preparing JSON examples for docs.
Frequently Asked Questions
What input should I paste into JSON Formatter?
Paste the matching developer content for this tool, such as code, markup, encoded text, a timestamp, regex pattern, or metadata values.
When is JSON Formatter useful?
It is useful for reading api responses and cleaning config snippets.
Should I paste private secrets into JSON Formatter?
Avoid pasting API keys, passwords, tokens, or private production data into any online tool, even when the processing is browser-based.