Google released a browser application for installing Android firmware

Google Inc. introduced new service Android Flash Tool (flash.android.com), allowing you to use a browser to install firmware on connected Android smartphones. The builds are generated based on recent snapshots of the master branch of AOSP (Android Open Source Project), which has been verified by the continuous integration system, and may be of interest to developers looking to test new changes in Android code or check the performance of their applications.

To use Android Flash Tool requires a browser with API support WebUSB, for example, Chrome 79. Supported installing firmware on Pixel devices and HiKey boards.

Source: opennet.ru