JSON Key Sorter
Sort the keys of a JSON object alphabetically, throughout the structure.
A consistent key order
JSON objects have no required key order, so the same data can be written with its keys in any sequence. Sorting them alphabetically, throughout the nested structure, gives a consistent, predictable ordering. This sorts the keys of your JSON so two documents with the same data line up the same way, and any given object is easy to scan.
Paste your JSON and its keys come back sorted.
Why a stable order helps
Consistent key ordering solves a few quiet problems. It makes JSON easier to read, since you always know roughly where a key will be. It makes two documents comparable — a plain text diff of two objects with the same data but different key orders shows spurious differences, which sorting removes. And it produces stable output, so re-serialising the same data does not create noisy changes in version control. Sorting keys changes only their order, never the data itself, so it is always safe to apply when you want that predictability.
Common questions
Does sorting keys change the data?
No — it only reorders the keys. The values and structure are unchanged; JSON key order carries no meaning.
Why sort keys?
For readability, and so two documents with the same data compare cleanly and produce stable, diff-friendly output.
Is my JSON uploaded?
No. The sorting happens in your browser.