Format and beautify JSON with one click
Free, no signup required. Your data stays in your browser.
Our free JSON formatter transforms messy, minified, or hard-to-read JSON into clean, properly indented code. Perfect for developers, API debugging, and data analysis.
Instantly format JSON with proper 2-space indentation and line breaks
Color-coded keys, values, strings, and numbers for easy reading
Automatically fixes common JSON errors like trailing commas and single quotes
Handle JSON files of any size without performance issues
Copy formatted JSON with one click for use in your projects
All processing happens in your browser - data never leaves your computer
Copy your raw JSON data and paste it into the editor above
Press the Format button or use the keyboard shortcut
Your formatted JSON is ready - copy it to your clipboard
JSON formatting is the process of adding proper indentation, line breaks, and spacing to JSON data to make it human-readable. Minified JSON saves space but is hard to read. Formatted JSON is easier to understand and debug.
Simply paste your JSON into the editor and click the Format button. Our tool will automatically add proper indentation (2 spaces) and organize your JSON structure. You can also paste directly with Ctrl+V and the JSON will be formatted automatically.
Yes! Our formatter includes an intelligent auto-fix feature that can correct common JSON errors like trailing commas, single quotes, unquoted keys, and missing commas. You'll see a notification showing what was fixed.
No, there's no hard limit. Our formatter handles large JSON files efficiently. All processing happens in your browser, so performance depends on your device.
Format, view, validate, compare, and analyze JSON - all in one place.
Go to JSON Formatter