Provides a small red button at the top left, click it to save or to fill in forms on the web. Auto-fill, click replay and pasting raw info into forms also featured.

Erase parts of any webpage --annoyances, logos, ads, images, etc., permanently with just, Ctrl + Left-Click.

Block loading of videos/audio (flash or html5) at the site being visited. Click to enable once, alt-c to enable for site permanently.

Sort by date as default acout youtube & google-video. Duckduckgo and Google results also formatted to 2 columns. See GM menu to disable columns. Also makes links go directly to target and not via the search website's advertising department.