What This Tool Does
This tool formats JSON data for readability, minifies it for production, validates syntax, and can repair common errors like trailing commas or unquoted keys.
How It Works
1Paste or upload your JSON data.
2Select your mode: Beautify, Minify, Validate, or Repair.
3Configure indentation and key sorting options.
4Download the formatted JSON.
Input Format
JSON string or file (can be malformed for repair mode).
Output Format
Formatted, minified, or repaired JSON.
When to Use This Tool
- Debugging API responses.
- Preparing config files for deployment.
- Fixing broken JSON from AI-generated code.
Frequently Asked Questions
Common issues like trailing commas, unquoted keys, single quotes instead of double quotes, JavaScript comments, and undefined/NaN values.
Yes, Validate mode checks against the JSON specification. Repair mode attempts to fix issues first.