ToolsHubFree Online JSON Formatter & Beautifier Tool
JSON Formatter is a fast and free online tool to format, beautify, and validate JSON data. Just paste your raw JSON and instantly get a clean, readable output - all in your browser.
JSON Input
Options
- Indentation
- Indent symbols
- Key sorting
How to Beautify JSON Online?
Beautifying JSON is a way to make raw or minified JSON data easier to read by properly formatting indentation, spacing, and line breaks.
To beautify your JSON:
- Paste your JSON into the input field above.
- Click “Beautify”.
- The formatted JSON will appear automatically in a clean and readable structure.
Why Use a JSON Formatter?
Readable JSON Output
Transform compact or messy JSON into clean, readable, and properly indented structures - instantly.
Easier Debugging
Find syntax issues like missing brackets or extra commas at a glance.
Clean & Valid Data
Optionally validate JSON as you format to avoid runtime issues.
No Signup or Limits
Free, unlimited access. No login or usage caps.
Quick & Developer-Friendly
Paste, beautify, copy - optimized for speed and real-world use.
In-Browser & Secure
Your JSON never leaves the browser - formatting is 100% client-side.
Example: Before & After formatting:
See how your JSON will look after formatting.
Before
After
JSON Formatter – Frequently Asked Questions
What is a JSON Formatter?
A JSON Formatter is a web-based tool that helps format, beautify, and organize JSON data. It converts raw or minified JSON into a readable format with proper indentation and structure.
Why should I use a JSON Formatter?
Using a JSON Formatter makes your data easier to read, understand, debug, and share. It’s especially helpful when working with complex nested objects or large JSON files.
Is the JSON Formatter completely free?
Yes, this JSON Formatter is 100% free to use, with no registration or login required. All features, including beautify, minify, and copy, are available without limits.
Is my JSON data stored or sent to a server?
No. All processing happens locally in your browser. Your JSON never leaves your device, ensuring full data privacy and security.
Can I format large or complex JSON files?
Yes. The formatter is optimized to handle large JSON files quickly and efficiently, depending on your device’s performance and memory.
What’s the difference between formatting and minifying JSON?
Formatting adds indentation and line breaks to improve readability. Minifying removes all unnecessary whitespace to reduce the file size for faster loading.
Can this tool sort object keys in JSON?
Yes, you can enable key sorting to alphabetically order keys in JSON objects during formatting, which improves consistency and structure.
How do I copy or download the formatted JSON?
You can easily copy the formatted output to your clipboard or download it as a `.json` file with a single click from the interface.