How To
How to Format JSON Online
Format, validate, and beautify JSON data instantly in your browser. Works offline after first load.
Minified or unformatted JSON is hard to read. FileCraft's JSON Formatter adds proper indentation and line breaks instantly.
Step-by-Step Guide
1
Open FileCraft JSON Formatter
Go to filecraft.tools/json-formatter.
2
Paste your JSON
Paste any JSON — minified API responses, configuration files, data exports.
3
Format and inspect
The JSON is formatted instantly with proper indentation. Syntax errors are highlighted.
4
Copy or download
Copy the formatted JSON to clipboard or download as a .json file.
Try it now — free, no account, no upload
Open Json Formatter →Pro Tips
- 💡Keyboard shortcut: Ctrl+Shift+F (Windows) or Cmd+Shift+F (Mac) to format
- 💡Use the Minify button to compact JSON for API requests or storage
Frequently Asked Questions
What is JSON formatting and why do I need it?
JSON formatting adds whitespace and indentation to make the data human-readable. API responses are often minified (no whitespace) to save bandwidth — formatting makes them readable.