Clean JSON. Clear results.
Format, validate, minify and sort JSON directly in your browser. Your data stays on your device.
Validate JSON first, then pretty print valid data into a readable structure for debugging, inspection and development work.
About This Tool
ToolsFaction JSON Formatter & Validator helps developers, analysts and anyone working with APIs turn raw JSON into clean, readable data. Paste compact or messy JSON into the editor to format it with consistent indentation, validate the syntax, minify it for smaller payloads or sort object keys for easier comparison.nnProcessing happens directly in your browser, so the JSON you enter is handled on your device. The tool also provides basic structure statistics and clear error feedback when the input cannot be parsed.
How to Use
- Paste your JSON into the Input JSON editor or choose Sample to load an example.
- Choose Format for readable JSON, Validate to check syntax, Minify for compact output, or Sort Keys to alphabetize object keys.
- Select 2 spaces, 4 spaces or tabs for formatted output.
- Copy the result to your clipboard or download it as a JSON file.
Example
Paste {"name":"ToolsFaction","free":true,"features":["format","validate"]} and choose Format. The tool turns the compact JSON into a clean indented structure while confirming that the syntax is valid.
Frequently Asked Questions
What does a JSON formatter do?
A JSON formatter turns compact or difficult-to-read JSON into an indented structure that is easier to inspect, edit and debug.
Can this tool validate JSON syntax?
Yes. ToolsFaction parses the JSON in your browser and reports an error when the syntax is invalid.
Can I minify JSON?
Yes. Minify removes unnecessary whitespace while keeping the JSON data and structure intact.
Can I sort JSON keys?
Yes. Sort Keys alphabetically sorts object keys recursively while preserving array order.
Is my JSON uploaded to a server?
The formatter is designed to process the JSON directly in your browser.
Is the JSON Formatter free to use?
Yes. The ToolsFaction JSON Formatter & Validator is free to use and does not require sign-up.