THE JSON KIT

JSON Beautifier Online

Make minified JSON clean and readable instantly. Transform ugly data into a structured format with syntax highlighting and custom indentation.

Indentation:

Why use a JSON Beautifier?

Readable Data

APIs often return minified JSON to save bandwidth. This is impossible for humans to read. Beautifying it restores the structure so you can understand the data hierarchy.

Syntax Highlighting

Our tool colors keys, strings, numbers, and booleans differently. This makes it much easier to spot incorrect data types or missing values at a glance.

Safe & Private

Sensitive configuration files or user data should never leave your computer. Our client-side processing ensures zero data leakage.

How to Beautify JSON

  1. Copy your raw, minified JSON string.
  2. Paste it into the left-hand editor panel above.
  3. Select your indentation preference (2 Spaces is standard).
  4. Click the blue Beautify JSON button.
  5. Copy the result or download the .json file.

Frequently Asked Questions

Is JSON Beautifier different from a JSON Formatter?▼
Functionally, they perform the same operation. A JSON Beautifier is typically used to convert minified or compressed JSON into a readable format, while a JSON Formatter refers to general formatting or style normalization. Both rely on pretty-print logic and do not change the underlying data.
How do I beautify minified JSON?▼
Paste your one-line or compressed JSON into the input panel and click 'Beautify'. The tool automatically inserts proper indentation, spacing, and line breaks.
Will beautifying JSON change my data?▼
No. Beautifying only affects whitespace and formatting. Keys, values, data types, and structure remain exactly the same.
Can I beautify JSON from an API response?▼
Yes. Copy the raw JSON response from any API and paste it into the beautifier to instantly make it readable.
Does the JSON Beautifier support large files?▼
Yes. The tool efficiently handles large JSON files without freezing the browser by using optimized client-side processing.
Is this JSON Beautifier secure?▼
Yes. All beautification happens locally in your browser. No JSON data is uploaded, stored, or sent to any server.
Can I choose the indentation level?▼
Yes. You can select common indentation styles such as 2 spaces or 4 spaces to match your coding standards.
Does the JSON Beautifier work offline?▼
Yes. The tool can be installed as a Progressive Web App and used offline once loaded.
What happens if my JSON is invalid?▼
If the JSON contains syntax errors, the tool will highlight the issue so you can correct it before beautifying.
Do I need to install anything to use the JSON Beautifier?▼
No installation is required. The JSON Beautifier runs directly in your browser and works on all modern devices.

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