Learn how to use every feature of JSON Formatter — from basic validation to format conversion.
Add or paste your JSON into the input box on the left.
Click Validate to instantly check your JSON for syntax errors.
Beautify for readability or Minify for compact output.
Copy to clipboard or download the result as a file.
Paste or type your JSON into the left editor. The tool instantly checks your JSON as you type:
✓ Valid JSON appears normally in the editor.
✗ Invalid JSON shows an error message in red.
The output box updates automatically whenever you apply formatting or conversions.
Select a conversion from the "Convert" dropdown and choose your target format — XML, CSV, or YAML.
If the JSON is valid, the converted result appears automatically in the output box.
JSON is validated in real time as you type.
Beautify, Minify, and Convert actions only run when JSON is valid to ensure accurate output.
Switch between light and dark mode using the toggle button in the top-right corner of the navbar.
All editors, buttons, panels, and backgrounds adapt automatically. Your preference is saved in your browser so it persists across visits.