tofo-boxtools

Unflatten JSON

developer

Convert a flat dot-notation JSON object back into a nested structure.

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JSON

Options

Character used to split keys

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What is Unflatten JSON?

Unflatten JSON is a free online developer utility. Convert a flat dot-notation JSON object back into a nested structure. It runs entirely in your browser, making it fast and accessible without any setup or installation.

How to Use Unflatten JSON

  1. 1

    Paste your JSON data into the input field. The tool accepts both formatted and minified JSON.

  2. 2

    Click the Run button to process your input.

  3. 3

    Copy the result from the output panel using the Copy button, or download it as a text file.

Common Use Cases

  • →Speeding up repetitive development tasks.
  • →Validating and transforming data during debugging.
  • →Generating test data for development and QA environments.

Frequently Asked Questions

Is Unflatten JSON free to use?

Yes, Unflatten JSON is completely free with no usage limits. No account, signup, or payment is required.

Is my data sent to a server?

No. Unflatten JSON runs entirely in your browser. Your data never leaves your device and is never sent to any server.

Does this tool work on mobile devices?

Yes, Unflatten JSON is fully responsive and works on smartphones and tablets. It runs in any modern browser including Chrome, Firefox, Safari, and Edge.

🖼️
Image Tool

Try Image Compressor

Reduce image size up to 80% — free, instant, no upload needed.

→
🖼️
Image Tool

Try Image Compressor

Reduce image size up to 80% — free, instant, no upload needed.

→