JSON Key Extractor
TEXT & DATA
JSON Key Extractor
Extract the top-level property names from a JSON object.
UNDERSTAND YOUR RESULT
How it works
Extract the top-level property names from a JSON object.
THE CALCULATIONlist the top-level keys of a JSON object
Using this calculator
Enter json input. list the top-level keys of a JSON object.
What to keep in mind
Your inputs stay in this page. Text is limited to 50,000 characters; large lists and tables are bounded. No data is uploaded or saved.
Frequently asked questions
Are my entries saved?
No. Calculator inputs remain in the current page and are cleared when you reload or leave. The tools do not upload your entries.
Why are results rounded?
The display is rounded for readability. Calculations use unrounded intermediate values. An estimate should not be interpreted as an exact measurement.