JSON Unflatten Online - Free & Local

JSON Unflatten is a free ComTools utility that rebuild nested json from flattened paths. Data is processed locally in your browser; nothing is uploaded.

Input

Output

1 uses

What is JSON Unflatten?

JSON Unflatten is a free ComTools utility that rebuild nested json from flattened paths. Data is processed locally in your browser; nothing is uploaded.

Features

Free to use
No signup required
Local processing
Data is processed locally in your browser; nothing is uploaded.
Bilingual UI
Chinese and English supported
Developer friendly
Rebuild nested JSON from flattened paths

Use cases

Daily development
Data conversion
Learning and demos
Quick format checks

How to use

Open the tool page
Enter or upload your data
Click the action button
Copy or download the result

FAQ

QIs my data uploaded?

Data is processed locally in your browser; nothing is uploaded.

QIs it free?

Yes, completely free with no usage limits.

QWhich browsers are supported?

Modern browsers: Chrome, Edge, Firefox, Safari.

QHow to report issues?

See the About page for contact options.