Times comments on YouTube are not adding much to the overall conversation. Sometimes they spoil the content you are trying to watch. They can even just be annoying. If you find YouTube comments annoying – try YouTube Comment Blocker.
Once installed – this add-on does the simple job of blocking the comment section for YouTube. That is it. Here is a quick video covering the basics:
Interested in learning more? You can download the YouTube Comment Blocker from the Firefox Add-ons website.