Format JSON Config Files
A single misplaced comma in a JSON config can break your entire project. Our validator catches syntax errors instantly and tells you exactly where the problem is. Essential for package.json, tsconfig.json, .eslintrc, and more.
Open JSON Formatter Free →Features
- Catch missing commas and brackets
- Line-by-line error reporting
- Works with all JSON config files
- Beautify or minify output
- 2-space or 4-space indentation
- Free, runs in your browser
How It Works
1
Open the Tool
Go to JSON Formatter
2
Use for Free
No signup, works in your browser
3
Download Result
Get your output instantly
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