About this tool
Recursively sorts every object's keys alphabetically, at every nesting depth. Array order is left untouched — only object key order changes. Useful for producing consistent, diff-friendly JSON before committing it to version control.
JSON Key Sorter
Recursively sort JSON object keys alphabetically for cleaner, diff-friendly output. Runs entirely in your browser.
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About JSON Key Sorter
JSON Key Sorter sorts JSON object keys alphabetically at all nesting levels to produce clean, canonical, diff-friendly JSON documents.
How to use JSON Key Sorter
- Paste unsorted JSON object payload into the editor.
- Select sort order (alphabetical ascending or descending).
- Click Sort Keys to recursively reorder object keys.
- Copy normalized JSON document.
Examples
Input: {"z":1, "a":2} Sorted Output: { "a": 2, "z": 1 }
FAQ
Does sorting keys change array element ordering?
No. Array element order is preserved exactly as defined; only object keys are sorted.
Does sorting work recursively on nested sub-objects?
Yes. Object keys at every level of nesting are sorted alphabetically.
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