Dualsub - YouTube Subtitle Translator by Dualsub Studio

Translate and display dual subtitles on YouTube and other video websites.

Available on Firefox for Android™

4.3 (118 reviews)

4,614 Users

Download Firefox and get the extension

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About this extension

Originally designed for YouTube, now supports multiple video websites, full list.

Uses a standalone subtitle renderer that doesn't affect the video website's built-in subtitle functionality.

Less than 40KB, lightweight, simple, and efficient.

Rated 4.3 by 118 reviewers

Permissions and data

Required permissions:

Access your data for www.youtube.com
Access your data for m.youtube.com
Access your data for www.iflix.com
Access your data for www.iq.com
Access your data for www.viki.com
Access your data for www.youku.tv
Access your data for www.zdf.de
Access your data for wetv.vip

Optional permissions:

Access your data for sites in the dualsub.xyz domain
Access your data for www.youtube.com
Access your data for m.youtube.com
Access your data for www.iflix.com
Access your data for www.iq.com
Access your data for www.viki.com
Access your data for www.youku.tv
Access your data for www.zdf.de
Access your data for wetv.vip