Dualsub - Dual Subtitles for YouTube by Dualsub Studio

Display dual subtitles on video websites.

Available on Firefox for Android™

4.3 (115 reviews)

4,460 Users

Download Firefox and get the extension

Download file

About this extension

Display dual subtitles on video websites.

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 115 reviewers

Permissions and dataLearn more

Required permissions:

Access your data for www.youtube.com
Access your data for m.youtube.com
Access your data for www.ardmediathek.de
Access your data for www.bilibili.com
Access your data for www.coursera.org
Access your data for www.iflix.com
Access your data for www.iq.com
Access your data for www.udemy.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.ardmediathek.de
Access your data for www.bilibili.com
Access your data for www.coursera.org
Access your data for www.iflix.com
Access your data for www.iq.com
Access your data for www.udemy.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