FREE · DEVELOPER TOOLS
JSON Flatten and Unflatten.
Convert nested objects into escaped flat paths and reconstruct them.
How to use JSON Flatten and Unflatten
Enter your input, adjust settings and generate locally. Review the output before use.
How it works
Convert nested objects into escaped flat paths and reconstruct them. Arrays and empty containers stay JSON leaf values. Escaped delimiter/backslash paths, conflict rejection; 10,000 values and depth 32. Input remains in this browser page.
Example
Run the editable example to inspect the result.
Questions about JSON Flatten and Unflatten
Is JSON Flatten and Unflatten free, and do I need an account?
Yes. This tool is free to use in your browser without an account. Processing takes place on your device.
What are the limits and what should I check?
Arrays and empty containers stay JSON leaf values. Escaped delimiter/backslash paths, conflict rejection; 10,000 values and depth 32. Review the result before using it in your work.
Is my input sent to a server?
Your input is processed in your browser and is not uploaded by this tool. Files and pasted text are cleared when the page is refreshed. Normal website requests are still required to load the page and its libraries. Read the privacy explanation.