JSON Key Extractor
Paste JSON and get a list of all keys at every level. Dot notation or path list. Useful for documentation.
JSON Key Extractor
How it works
We recursively walk the object and collect every key, optionally with path prefix.
When to use it
Use to document API responses or find key names in large JSON.
Frequently asked questions
Arrays?
Array indices can be listed or skipped depending on tool options.
Duplicates?
Same key in different paths appears once per path.