JSON Formatter & Validator

Prettify, validate, minify, and inspect JSON structures directly in browser.

Developer Tools Tool

JSON Formatter & Validator

Runs directly in your browser
Free

About JSON Formatter & Validator

Format and validate JSON into a readable structure so nested objects and arrays are easier to inspect. Invalid JSON can be identified before it is used in an application or API workflow.

What can you use it for?

  • API responses
  • Configuration files
  • Debugging JSON
  • Developer workflows

How to Use JSON Formatter & Validator

Follow these simple steps to get a result from the json formatter & validator without unnecessary setup.

  1. Paste unformatted JSON into input area.
  2. Click Prettify to format or Minify to compact.
  3. Copy cleaned JSON output.

Browser-Based Processing

This tool is designed to run in your web browser. For tools that process files locally, your selected files can be handled on your device rather than uploaded to a ToolsLovea server. Browser and file-size limitations may vary by device.

Frequently Asked Questions

Can this validate broken JSON?

Yes, syntax errors are highlighted if JSON is invalid.