JSON Beautifier
Beautified JSON will appear here...
🌳 JSON Tree View
Beautify JSON to see the tree view...
What does beautifying JSON do?
Beautifying JSON transforms compact or minified JSON into a readable, indented format. Consider this minified JSON:
{"name":"John","age":30,"address":{"city":"London","zip":"EC1A"}}
After beautifying with 2-space indentation:
{
"name": "John",
"age": 30,
"address": {
"city": "London",
"zip": "EC1A"
}
}
The data is identical — only the whitespace changes. Beautified JSON is easier to read, debug, and review in code diffs.
Beautify vs minify
Beautify — adds whitespace and indentation for human readability. Use this when reading API responses, reviewing config files, or debugging data structures.
Minify — removes all whitespace to reduce file size. Use this when sending JSON in production HTTP responses or storing data compactly. Try the JSON Minifier for the opposite operation.
When to Use the JSON Beautifier
- When an API returns a single-line response and you need to inspect specific fields without squinting.
- When reviewing a JSON config file (e.g.,
package.json,appsettings.json) that was accidentally saved without formatting. - When copying a minified JSON payload from browser DevTools and want to read it quickly.
- Before committing a JSON file to version control — beautified JSON produces clean, readable diffs in pull requests.
Frequently Asked Questions
What does beautify JSON mean?
Beautifying JSON means adding indentation, line breaks, and proper whitespace to compact or minified JSON so it becomes readable. It is also called pretty-printing or formatting. The data itself does not change — only the presentation.
What is the difference between beautify and minify?
Beautify adds whitespace and indentation to make JSON human-readable. Minify does the opposite — it removes all whitespace to make JSON as compact as possible. You beautify for reading and debugging; you minify for shipping.
How many spaces does the beautifier add?
The beautifier uses 2-space indentation by default — the most common convention for JSON. This matches JSON.stringify(data, null, 2) in JavaScript.
Is my JSON sent to a server?
No. All JSON beautification happens entirely in your browser using JavaScript. Your data never leaves your device.
What is the difference between JSON Beautifier and JSON Formatter?
They are functionally identical — both add indentation and line breaks to make JSON human-readable. "Beautifier" and "formatter" are interchangeable terms. The JSON Formatter page bundles extra features like tree view, syntax validation, and minification in one place.
Can I choose 4-space indentation instead of 2?
The beautifier uses 2-space indentation by default, which matches the most common JSON convention. If you need 4-space indentation, use the JSON Formatter which exposes indentation options.