Firefox with Greasemonkey: The YouTube Auto Buffer Greasemonkey script tweaks the popular video sharing site to fix some of its most common annoyances. Specifically, it stops videos from automatically playing, turns on HD/HQ playback for all videos, and hides in-video advertisements.
All three of the tweaks YouTube Auto Buffer makes can be toggled, so if you’d really like to get rid of in-video ads but don’t want to always watch videos in HD or prefer that videos play automatically, you can just disable the two unwanted features. Or at least they can be toggled in theory. I had trouble getting my preferences to stick, so your mileage may vary.
Either way, it’s a nice little script that aims to fix some users’ common YouTube annoyances. For some other YouTube-specific tweaks, check out our very own Better YouTube Firefox extension. (With any luck, maybe we can convince Gina to incorporate some of the YouTube Auto Buffer features into said add-on.)
YouTube Auto Buffer is a free download, works with Firefox and the Greasemonkey extension.