Is Phone On Web | Android in browser safe?

Clean risk

Phone On Web sends the connected Android device serial number to browserlify.com telemetry.

When you connect an Android device through WebUSB, Phone On Web reads the device serial number from the browser's USB API. The extension includes that serial number as a did query parameter in telemetry requests to browserlify.com when connection state changes occur.

FourZv1.1.1Chrome Web Store
0Risk

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

What it can do

Permissions this extension asks for, as declared in version 1.1.1. Asking for a permission is not a finding on its own - it is what the extension can do if it chooses to.

  • Store data in your browser

    storage

Where it sends data

Destinations our analysis observed Phone On Web | Android in browser contacting. Sending data somewhere is not a finding on its own - an extension that syncs your settings has to talk to its own server - but it is where your data can go, and who else it goes to.

  • browserlify.com

    Phone On Web | Android in browser sends data to browserlify.com. No other extension we have analysed sends data here.

Updated 30 September 2026gaibhhiogjpncmcehohlmcikfgbcacbl