RevoSub for Firefox от Konnyoung

Since YouTube limited the ability for caption creators to upload .YTT files through Studio, we created this caption sharing extension to meet everyone's needs

FEATURES:
• Full YTT ASS support
• Karaoke effects with precise timing
• Custom colors, fonts, shadows and outlines
• Animations and transitions
• 25+ languages supported (for upload)

COMMUNITY:
Upload your subtitles and share with other users. Available subtitles are automatically loaded in your browser's language!

CONTROLS:
• Click CC button to toggle on/off
• Right-click to switch language
• Preferences saved automatically