VoxSub version history - 2 versions
Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 1.6.3
Released Jun 3, 2026 - 478.55 KBWorks with firefox 140.0 and later- Added a dedicated Subtitle Timing Synchronization panel (⏱️) inside the settings menu.
- Added a space-efficient toolbar with quick timing buttons (shift backward/forward, point sync, and reset).
- Implemented Linear Two-Point Sync (🕒₁ / 🕒₂) to resolve subtitle drift and sync subtitles perfectly with the video.
- Added auto-scroll and live playing highlight in the subtitle table list.
- Improved Quick Edit: The video now remains paused when selecting "Replace" or "Mute" so users can visually verify text updates on the screen before resuming playback.
- UI styling refinements and code optimizations.
Source code released under All Rights Reserved
Older versions
Version 1.6.2
Released May 11, 2026 - 472.95 KBWorks with firefox 140.0 and laterUpdated Firefox listing compatibility and privacy disclosure settings.
VoxSub remains a free subtitle extension for HTML5 video players, with dual captions, subtitle translation, subtitle search, smart subtitle profiles, subtitle customization, uploaded subtitle files, and optional AI voice dubbing.Source code released under All Rights Reserved