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JSON Formatter

Paste raw or minified JSON to format it with indentation and make nested data easier to read.

Format and validate JSON instantly in your browser. Paste raw JSON, beautify it, and copy clean formatted output for debugging, development, and review.

Input

Paste raw JSON

0 characters 0 lines

Output

Formatted JSON result

0 characters 0 lines

How it works

This tool parses your JSON input and reformats it with consistent indentation so it is easier to read. It is useful for debugging APIs, reviewing payloads, checking configuration files, and cleaning copied JSON.

If the JSON is invalid, the tool shows an error instead of producing broken output.

Common use cases

  • Beautify minified JSON
  • Check whether JSON syntax is valid
  • Review API responses more clearly
  • Prepare configuration files for editing
  • Copy clean JSON into documentation or code reviews

Frequently asked questions

What does this JSON formatter do?

It validates JSON input and formats it into clean, readable output with indentation.

Does it show invalid JSON errors?

Yes. Invalid JSON will trigger an error message instead of formatted output.

Is this JSON formatter free?

Yes. You can use it for free without signing up.

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How to use

Paste the JSON, click Format JSON, then copy the formatted result or fix the error.

  1. Paste raw or minified JSON into the input panel.
  2. Click Format JSON to validate the syntax and apply indentation.
  3. Copy the formatted output into your editor, ticket, or documentation.

Use cases

Use it when JSON is valid but too dense to read comfortably.

  • Beautify API responses before inspecting nested values.
  • Clean config payloads or event samples before sharing them with a team.
  • Prepare readable JSON for code reviews, tickets, and internal docs.

When this tool is useful

Paste raw or minified JSON to format it with indentation and make nested data easier to read. Json Formatter sits in the json & data part of the site, which focuses on format, validate, and convert structured data for development work.

Open it when raw JSON, copied records, or lightweight data transforms are slowing down debugging, QA, or documentation work. Within that group, it leans toward json validation tasks, so the page is tuned for quick single-purpose use rather than a long multi-step workflow. If this step is only part of the job, the most relevant follow-up tools are Regex Tester and Base64 Encoder.

Before you copy the result

  • Validate the structure after processing, especially when the source came from logs, APIs, or spreadsheet exports.
  • Compare the first object or row before copying large results into another system.
  • If the output is valid but still hard to review, switch to a related comparison or extraction tool next.

Example

A quick example of how this tool works.

Input

{"name":"Alex","role":"dev","active":true}

Output

{\n  "name": "Alex",\n  "role": "dev",\n  "active": true\n}