Beautify and format JSON data with customizable indentation
Developer Tools
About This Tool
The JSON Beautifier transforms minified or messy JSON into clean, readable output with customizable indentation, key sorting, and color-coded syntax highlighting. It also supports minification and file download, all processed locally in your browser.
Key Features
- Customizable indentation (2, 4, 8 spaces or tabs)
- Color-coded syntax highlighting for keys, strings, and values
- Alphabetical key sorting option
- One-click copy and download formatted output
- JSON syntax error detection with clear messages
- Minify option for compression and character/size stats
Use Cases
- Format API responses for easier debugging and inspection
- Beautify minified JSON configuration files for editing
- Prepare JSON data for code reviews with readable formatting
- Clean up exported JSON data from databases or logs
- Compare JSON structures by sorting keys alphabetically
json
beautifier
formatter
developer
pretty-print
Frequently Asked Questions
What is the JSON Beautifier?
The JSON Beautifier is an online developer tool that beautifies and formats JSON data with customizable indentation levels, sort keys, and color-coded output. It transforms minified or messy JSON into clean, readable output.
Can I customize the indentation?
Yes. You can choose from 2 spaces, 4 spaces, 8 spaces, or tabs for indentation. The default is 4 spaces.
Does it support key sorting?
Yes. Enable the Sort keys option to alphabetically sort object keys in the output. This is useful for comparing JSON structures or creating consistent output.
Is my data safe when using the JSON Beautifier?
Absolutely. All processing happens locally in your browser. No data is uploaded to any server, ensuring your information remains completely private and secure.
Can I use the JSON Beautifier on my phone?
Yes. The JSON Beautifier is fully responsive and works on all devices including smartphones, tablets, and desktop computers.