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Free Developer Tool

JSON Field Extractor

Extract selected fields or values from JSON documents quickly and accurately.

What is JSON Field Extractor?

The JSON Field Extractor helps retrieve specific fields or values from JSON documents without manually searching through complex nested structures.

How to use

  1. Paste or upload JSON.
  2. Specify the field or path.
  3. Extract matching values.
  4. Copy the output.

Features

  • Extract nested fields
  • Support complex JSON
  • Instant results
  • Copy extracted values

Common Use Cases

  • Finding specific values
  • Filtering API responses
  • Preparing datasets
  • Debugging JSON documents

Example

Input
{
  "user":{
    "name":"John",
    "age":30
  }
}
Output
"John"

FAQ

Can I extract nested fields?

Yes. Fields inside nested objects and arrays are supported.

Does it modify the original JSON?

No. The original JSON remains unchanged.

Can multiple values be extracted?

Yes. Matching fields can all be returned.