What does JSON Unflattener do?
Rebuild nested JSON from dot-notation keys. The workspace keeps the input and result together, making it easy to check the change before you use it elsewhere.
For example, you can rebuild nested JSON from dot-notation keys when preparing a readable sample for a teammate.
What you can control
JSON Unflattener stays deliberately simple: add the content, run the tool, and review the result.
How to use JSON Unflattener
- 1
Paste or type the content you want to work with.
- 2
Review the content and correct anything you do not want carried into the result.
- 3
Run JSON Unflattener, review the output, then copy or download it where available.
Tips for a better result
- Work from a copy of the content, especially if the JSON Unflattener result will be imported elsewhere.
- Read the complete result rather than relying on the first line or preview alone.
- Confirm field names, data types, quoting and character encoding before importing the result.
Frequently asked questions
Is my input private when I use JSON Unflattener?+
JSON Unflattener processes the pasted data locally in this browser. The working content is not stored by 247888.
What should I check after using JSON Unflattener?+
Confirm field names, data types, quoting and character encoding before importing the result.