You could set auto-play to be off by default—a feature YouTube didn't officially offer for years.
Unlike modern extensions that focus on one specific problem, YouTube Center was a Swiss Army knife. It injected a massive "Configuration" menu directly into YouTube’s interface, allowing you to tweak almost every aspect of the site. Even by today’s standards, YouTube Center was ahead of its time. Here are the features that made Firefox users obsess over it:
Reviving the Golden Age of YouTube: A Complete Guide to YouTube Center for Firefox youtube center firefox
YouTube Center let you disable DASH playback. Why does that matter? With DASH off, the entire video would buffer, not just the next 2 minutes. Perfect for slow or unreliable internet connections.
But what happened to it? Can you still use YouTube Center on Firefox today? Let’s take a deep dive. YouTube Center was an open-source user script (and later a Firefox add-on) created by developer YePpHa . Its mission was simple: Give users every possible setting YouTube refused to provide. You could set auto-play to be off by
While you cannot (and should not) install the original today, its DNA is everywhere. Every time you use a modern YouTube tweak, you are standing on the shoulders of YouTube Center.
You could force YouTube to buffer the entire video instantly or adjust how aggressively it pre-loaded data. Even by today’s standards, YouTube Center was ahead
Before YouTube had a "Dark Mode," before "SponsorBlock," and before "Return YouTube Dislike," there was YouTube Center. This single add-on transformed the clunky, slow, and ad-ridden YouTube of the past into a lean, customized machine.
