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Flatten JSON

Flatten JSON leaves into an object keyed by JSON Pointer paths.

Convert in your browser · No sign-up

Preserves empty objects, empty arrays and null values. Arrays use numeric path segments. This is a path map, not a reversible schema by itself.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

Result

Add your input or load an example, then run the tool. Your result will appear here.

How to use

  1. Flatten JSON leaves into an object keyed by JSON Pointer paths.
  2. Choose the mode or options, then run the tool.
  3. Review the result, then copy or download the TXT file.

Example

{"user":{"name":"Ada"}} → {"/user/name":"Ada"}

Details and limitations

Text stays in your browser; it is not sent to a conversion server.

Format references

Tool page updated: