Flatten JSON

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

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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.

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

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

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

FAQ

Flatten JSON — What are the supported inputs and limits?

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

Format references

Tool page updated: