Comparison & Manipulation
Diff, merge, query, flatten, filter, sort, and reshape JSON documents without writing code.
JSON Diff & Compare Tool
Compare two JSON documents side-by-side with additions, deletions, and changes highlighted.
JSON Merge Tool
Merge two or more JSON objects with configurable strategies for conflicts and arrays.
JSONPath Tester & Evaluator
Test JSONPath expressions against your data and see matching results in real time.
jq Playground (Online jq Tester)
Run jq filters against JSON directly in your browser and see output instantly.
JSON Flattener & Unflattener
Flatten nested JSON into dot/bracket key-value pairs, or reverse the process.
JSON Key Extractor
Extract all unique keys, paths, or values from a JSON document as a simple list.
JSON Array Tools (Filter, Sort, Dedupe)
Sort, filter, and remove duplicate objects from JSON arrays without writing code.
JSON Transformer (Rename / Remove Keys)
Bulk rename, remove, or remap keys across an entire JSON document with simple rules.