Youtube replay button for Chrome

Adds an auto replay button to YouTube video page. Supports both flash and HTML5 video.
Download (source on GitHub)

How to install Youtube replay button for Chrome

Click download button above. Before starting downloading the extension, the following message will popup “Extensions, apps, and themes can harm your computer. Are you sure you want to continue?”
Click continue, open any YouTube pages and press replay button (check the screenshot on the right).

Youtube replay button for Opera

Download

How to install Youtube replay button for Opera

Click download button above. Before starting installing the extension, Opera will prompt you to install the extension. Click install, open any YouTube pages and press replay button (check the screenshot on the right).