jsonpost
Comparison & Manipulation

JSON Transformer (Rename/Remove Keys)

Bulk rename, remove, or remap keys across an entire JSON document with simple rules.

Runs entirely in your browser — your data never leaves your device.

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How to use this tool

  1. 1Paste your JSON into the editor.
  2. 2Add rename or remove rules for the keys you want to change.
  3. 3Copy the reshaped JSON.

Frequently asked questions

Does it apply rules at every depth?
Yes. Rename and remove rules can be applied recursively across the whole document.
Can I reshape API responses with it?
Yes. It is built to quickly adapt a payload into exactly the structure your app expects.
Is my data uploaded to a server?
No. Every tool on JSONPost runs entirely in your browser using JavaScript. Your JSON never leaves your device, so it is safe to use with private or sensitive data.

Related tools

JSON Merge Tool

Merge two or more JSON objects with configurable strategies for conflicts and arrays.

JSON Array Tools (Filter, Sort, Dedupe)

Sort, filter, and remove duplicate objects from JSON arrays without writing code.

JSON Flattener & Unflattener

Flatten nested JSON into dot/bracket key-value pairs, or reverse the process.