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🧩JSON Formatter

Format, validate, and beautify JSON data with syntax highlighting.

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About JSON Formatter

Format, validate, and beautify JSON data with syntax highlighting. Paste minified or messy JSON and get perfectly indented, color-coded output. Supports JSON validation with clear error messages pointing to the exact line and position of any issues. Features include formatting, minifying, and validating JSON data.

How to Use JSON Formatter

  1. 1

    Paste JSON

    Paste your JSON data into the input area.

  2. 2

    Format or validate

    Click Format to beautify, Minify to compress, or Validate to check for errors.

  3. 3

    Copy output

    Click the copy button to copy the formatted JSON.

Common Use Cases

  • Debugging API responses
  • Formatting configuration files
  • Validating JSON data before sending to APIs

Frequently Asked Questions

Can it fix invalid JSON?
It can't auto-fix invalid JSON, but it clearly shows where the error is located so you can fix it manually.
Is there a size limit?
The tool works in your browser, so it can handle JSON files up to several megabytes without issues.

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Understanding JSON: The Complete Beginner's Guide

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