Overview
Bilingual subtitles for YouTube — original and translation in one non-overlapping layer.
Dual Subtitles for YouTube™ shows the original language and your translation at the same time, as one clean, non-overlapping layer — great for language learning and for following along in a second language. Official site: https://gythiro.github.io/yt-dual-subs/ FEATURES • Two languages, one line-set. Original and translation shown together; YouTube's own caption layer is hidden so the two never overlap. • Per-sentence, no flicker. Subtitles switch by whole sentence instead of jumping word by word. • Two translation engines. YouTube's own sentence-aligned translation by default, with an automatic Google Translate fallback so lines stay in sync. • Fully customizable. Per-line font, size, text color, background color and opacity, outline, line spacing, and which line sits on top — with a live preview. • Draggable and positionable. Drop the subtitle box anywhere on the video; it remembers where. Works in fullscreen. Double-click to reset. • One-click toggle. A caption button in the player's control bar turns the overlay on or off — handy for videos that already have burned-in subtitles. • Export to SRT. Save the current video's subtitles for offline study — original, translation, or bilingual. PRIVACY No accounts, no tracking, no analytics, no ads, and no developer server. Your settings stay in your browser. The only data sent out is the caption text of the video you are watching, transmitted solely to the translation service to translate it — nothing is sent to the developer. Full policy: https://github.com/Gythiro/yt-dual-subs/blob/main/PRIVACY.md Open source (MIT): https://github.com/Gythiro/yt-dual-subs Not affiliated with, endorsed by, or sponsored by YouTube or Google LLC. "YouTube" is a trademark of Google LLC, used only to describe compatibility.
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Details
- Version3.3.0
- UpdatedJuly 6, 2026
- Size51.86KiB
- Languages3 languages
- DeveloperWebsite
Email
gythiro.dev@gmail.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
Dual Subtitles for YouTube™ has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
Dual Subtitles for YouTube™ handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, visit the developer's support site