ToolCenterLabToolCenterLab
HomeAll Tools
Ad — 728×90 Leaderboard
Ad — 728×90 Footer Banner
AboutPrivacy PolicyTerms of Service

Built with ❤️ by ToolCenterLab

HomeConvertersJSON Formatter & Validator

JSON Formatter & Validator

Ad — Responsive In-Content

How to Use

  1. Paste your JSON into the input area.
  2. Click Format to prettify the JSON.
  3. Validation errors are shown below if the JSON is invalid.
  4. Click Copy to copy the formatted result.

About JSON Formatter & Validator

The JSON Formatter & Validator helps you prettify minified JSON and validate its syntax. Errors are displayed with descriptive messages to help you fix issues quickly.

An essential tool for developers working with APIs, config files, or any JSON data. Works entirely in your browser.

Frequently Asked Questions

What indentation is used?

JSON is formatted with 2-space indentation by default.

Can it minify JSON?

Yes, click the Minify button to compress JSON into a single line.

Does it validate JSON?

Yes, any syntax errors are shown with a description of the issue.

Ad — 300×250 Sidebar

Related Tools

Base64 Encode/Decode

Encode text to Base64 or decode Base64 back to text.

JWT Decoder

Decode JWT tokens to view header and payload as formatted JSON.

URL Encoder/Decoder

Encode or decode URL components instantly.