Internet users with a slow Internet connection may prefer to view videos in lower resolutions to avoid buffering pauses during playback. Users with high speed Internet, and users with big screens may want to view the videos in the best available quality instead.
Auto HD for YouTube is a Google Chrome extension that offers to load YouTube videos automatically in predefined quality settings. The user can define up to four different quality settings and prioritize them.
Mozilla Firefox users who want a similar option in their browser can take a closer look at the Greasemonkey script YouTube HD Suite which adds the capabilities to the browser.
