How it works
Complete the job in three clear steps
- Enter or choose the source value.
- Set the available format or calculation options.
- Review, copy, or download the locally generated result.
Private browser developer tool
JSON Flatten & Unflatten Tool
Flatten nested JSON objects to dot-separated paths or rebuild a nested object from flat path keys.
Free to use Input and results stay in this browser. Lucaden does not send them to a conversion API.
Loading tool workspace…
Important
Check the result before relying on it
Scan-test generated codes before printing or distribution. A generated barcode does not register identifier ownership, and decoded external links should be checked before opening.
Practical details
What this Lucaden tool does
Flatten nested JSON objects to dot-separated paths or rebuild a nested object from flat path keys.
The implementation is native to Lucaden. CyberChef and IT-Tools are credited as product references; Lucaden does not bundle or rebrand their application code.
Included capabilities
- Flatten and unflatten
- Object and array paths
- Custom separator
- Formatted JSON output
Useful for
- Prepare spreadsheet columns
- Normalize API data
- Build environment maps
- Inspect nested records
Questions
About this tool
Does this tool upload my input?
No. It uses JavaScript and browser platform APIs on this device.
Can I treat the result as authoritative?
Validate security, network, protocol, and production configuration results against the system that will use them.
Open-source foundations
Built transparently
Lucaden documents its standards sources, architectural references, and permissive runtime dependencies while keeping this workspace consistent with the Lucaden interface.