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JSON Flatten & Unflatten

Flatten JSON into reversible RFC 6901 pointer maps and rebuild documents.

Private by design

Your inputs stay on your device and are not sent to our servers. Optional usage analytics does not receive your files or tool inputs.

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How to use JSON Flatten & Unflatten

  1. Add your input or choose Try sample.
  2. Review the options and select Run.
  3. Inspect the result, then copy or download the exact output.
Read the detailed guide →

What are the limits of JSON Flatten & Unflatten?

Pointer-map leaves include empty arrays and objects. Conflicting, sparse, unsafe or ambiguous paths are rejected rather than silently overwritten. Inputs stay in browser memory. Nothing is sent or saved automatically; clipboard and exports are explicit.

YOUR BROWSER, YOUR CHOICE