Compare: SubTrans - General Subtitle Translator Suite vs Dualsub - YouTube Subtitle Translator

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Metric	SubTrans - General Subtitle Translator Suite	Dualsub - YouTube Subtitle Translator
User count	30,000	100,000
Average rating	3.94	3.57
Rating count	119	474
Last updated	2026-04-02	2026-06-30
Size	0.65 MB	0.03 MB
Version	5.0.0	2.71.0

Short description	SubTrans translates and displays bilingual subtitles on YouTube, Udemy, and more. Customize styles, positions, and support multiple languages easily.	Translate and display dual subtitles on YouTube and other video sites with a lightweight standalone renderer (<40KB) that never interferes with built‑in subtitles.
Full summary	SubTrans - General Subtitle Translator Suite allows you to enjoy bilingual subtitles on a wide range of video platforms including YouTube, Udemy, Coursera, and many more. It translates official subtitles into nearly all widely used languages, making videos more accessible and engaging. Key features include customizable subtitle styles (font size, color, opacity, and more), support for external subtitle files, adjustable subtitle timing, and draggable subtitle positioning. SubTrans remembers your preferences for a seamless viewing experience every time. With ongoing support for additional sites and languages, it's the perfect extension for enhancing your subtitle experience across multiple platforms.	Dualsub - YouTube Subtitle Translator enhances your video viewing with dual subtitles translated in real time. While it was originally designed for YouTube, it now supports multiple video websites, with a full list available at https://www.dualsub.xyz/websites. It uses a standalone subtitle renderer that doesn’t touch the video website’s built‑in subtitles, staying lightweight (under 40KB) and easy to use for fast, efficient viewing.