Is JSON Key Sorter free to use?

Yes, JSON Key Sorter is completely free to use. No signup or registration required.

Is my data safe when using JSON Key Sorter?

Yes, all processing happens in your browser. Your data never leaves your device and is not stored on any server.

Can I use JSON Key Sorter on mobile?

Yes, JSON Key Sorter is fully responsive and works on all devices including smartphones and tablets.

AltraTools - Free Online Developer Tools

Free JSON Key Sorter

Sort JSON object keys alphabetically (A-Z or Z-A) for consistent, readable output. Perfect for comparing JSON files, maintaining consistent config formats, and cleaning up API responses.

Features

Recursive Sorting: Sorts keys in nested objects too
Ascending/Descending: Choose A-Z or Z-A order
Sort Mode: Sort by keys only, values, or both
Array Support: Recursively processes arrays
Custom Indentation: 2 spaces, 4 spaces, or tabs

Use Cases

Consistent package.json formatting, comparing config files, cleaning up API responses, code review preparation, and maintaining coding standards.