English
Español
Français
Português
日本語
简体中文
한국인 No user reviews found
Best Speedster Alternatives
Here are some Firefox add-ons that are similar to Speedster:
Video Playback Speed Adjuster
minhquangdn
15 0.00 
(0) 
Playback Speed Controller
Saffet C.
6 0.00 (0) 
speederVideo
haleem
7 0.00 (0) 
Video Speed Controller (Unofficial-FF-Fork)
forkdons
2 5.00 (1) 
SpeedyVideo Extension
Great Idea Technology Limited
445 5.00 (4) 
SpeedFlix
Jon
8 0.00 (0) Media Keys Ultra
Leon
- 0.00 (0) 
Fast Forwarder
Wesley Gabriel Laurindo
1 0.00 (0) 
Video Speed Controller X
Danny Lin
13 0.00 (0) 
Video Speed Controller
Acker
2 0.00 (0) SpeedX
Acker
9 0.00 (0)