Developer tools / Data utility
JSON Prettifier
Keep several payloads open, then compare a working reference with the others. JSON stays in this page; refreshing clears your documents.
Output
Waiting for JSON
Formatted JSON appears here.
Paste JSON into the input editor.
Compare JSON documents
Choose the working JSON as your reference. Missing and extra fields are reported relative to that document.
Object key order and formatting are ignored. Arrays compare by position. Strings, numbers, booleans and null stay distinct; long numeric IDs are compared exactly.
Add another JSON document to compare.
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