WhatsApp-Web-Plus

Features

Feature	Availability
View once media disabler	✔
Keep revoked messages	✔
Keep edited messages	✔
Indicate sender OS	✔

Installing from GitHub

1. To install the extension, download the latest release as a zip file from the Releases page or main.zip, or better, just clone the source code to a directory.
2. Go to chrome://extensions/.
3. Enable developer mode.
4. Add it to Chrome using the 'Load unpacked extension' option.