JSON Merge Online - Free & Local

JSON Merge is a free ComTools utility that deep merge two json objects. Data is processed locally in your browser; nothing is uploaded.

Deep merge

JSON A

JSON B

Result

1 uses

What is JSON Merge?

JSON Merge is a free ComTools utility that deep merge two json objects. Data is processed locally in your browser; nothing is uploaded.

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
Deep merge two JSON objects

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.