What is a JSON key?
A JSON key is the name used to identify a value in a JSON object.
Tool workspace
Extract JSON keys online instantly. Quickly list all keys from nested JSON objects for inspection, debugging, and documentation.
Output
JSON Keys Extractor helps developers analyze JSON structures by listing every key present in the document. When working with large API responses or deeply nested JSON objects, understanding the structure quickly can be difficult. This tool scans the entire JSON document and extracts all keys so developers can understand the schema and structure instantly.
Input
{"user":{"name":"John","age":30},"active":true}Output
user name age active
JSON Keys Extractor parses the entire JSON object and collects all key names found within objects and nested objects. This makes it easier to inspect data structures without manually scanning large documents.
A JSON key is the name used to identify a value in a JSON object.
Yes. Keys from nested objects are also detected.
No. The tool only analyzes and extracts key names.
Yes depending on browser performance.
No. All processing happens locally in your browser.
Yes. It helps quickly identify fields returned by APIs.