JSON Beautifier & Pretty Printer
Turn ugly, minified JSON into beautiful, readable code. Indent, colorize, and format your data structures with one click.
Make Data Readable Again
If you've downloaded a minified JSON config file or scraped data from a website, it usually arrives as a dense, unreadable block of text. This beautifier perfectly indents the code (you can choose tab sizes) and applies syntax highlighting, turning a chaotic wall of text into an organized, professional document.
Why Use Our JSON Beautifier?
- Custom Indentation: Choose between 2 spaces, 4 spaces, or tabs.
- Syntax Highlighting: Makes reading keys and values effortless.
- Local Processing: Completely private and secure.
- Error Checking: Automatically alerts you if the JSON is malformed.
How to Use the JSON Beautifier
Paste your minified JSON.
Select your preferred indentation size.
Click 'Beautify JSON'.
Copy or download the formatted file.
Frequently Asked Questions
It can highlight where the error is, but it will not automatically guess and fix missing quotes or brackets, as that could corrupt your data.
All file processing is performed locally in your web browser. We do not upload, store, or view your data.