JSON Formatter
Paste JSON to instantly beautify, minify, and validate it. Adjust the indentation, catch syntax errors with line and column numbers, and explore the data in a tree view.
Last updated July 19, 20263 min read
Valid JSON.
{
"name": "ToolFerry",
"tools": [
"json",
"qr",
"color"
],
"featured": true,
"count": 15
}How to use
- 1
Paste your JSON
Drop in any JSON payload — an API response, config file, or fixture.
- 2
Choose an indent
2, 4, or minified. The beautified output updates as you type.
- 3
Copy the result
Copy the beautified or minified output, or explore the tree view.
Benefits
- Precise syntax errors with line and column numbers.
- Beautify and minify in one place.
- Collapsible tree view for large payloads.
- Runs entirely locally — your data stays private.
Common uses
- Debugging API responses
- Editing configuration files
- Comparing minified and pretty-printed JSON
- Teaching JSON structure with the tree view
Frequently asked questions
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