Online JSON Key Extractor Tool | JSON Length Calculator

Primary Keys:
Count of Primary Keys:0
All Unique Keys:
Count of All Unique Keys:0
Tool Introduction
This JSON Key Extractor is a powerful JSON data analysis tool. It is designed to deeply read and parse JSON objects, extract all unique keys, and count their numbers. Simply input a JSON object and click 'Start Reading' to quickly get all keys and their counts. This enables convenient and timely checks on the integrity of JSON data.