JSON tool
JSON Formatter
Format, validate, and minify JSON in your browser. Choose two spaces, four spaces, or tabs for indentation.
Your data is processed locally in your browser and is not sent to our server.
Result
Your result will appear here.
How to use JSON Formatter
- Paste JSON into the input.
- Choose an indentation style and select Format or Minify.
- Copy the formatted result or clear the editor.
Example
{"user":{"id":1,"name":"Alice"}}Technical details
Uses the browser’s native JSON.parse and JSON.stringify. Input is processed locally and never uploaded.
Frequently asked questions
Is my JSON uploaded?
No. Formatting and validation run locally in your browser.
Which indentation styles are supported?
Two spaces, four spaces, and tabs.