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SubDuo
Dual subtitles for Netflix, YouTube, Prime Video & Disney+
SubDuo shows two subtitle languages at once on Prime Video, YouTube, Netflix and Disney+ — the original on top, your language below. No more pausing to switch subtitle tracks. Drag the lines anywhere on the video, scroll to resize each one independently, and set color and opacity per line so they never fight the picture. Settings save per site and sync across your Chrome devices. YouTube auto-generated captions work too. 12 languages. Free, no sign-up, 100% local — nothing leaves your browser.
I built SubDuo because I kept doing the same clumsy loop while trying to study English from shows: pause, open the subtitle menu, switch the track, rewind, switch back. Every pause broke the story, and I stopped finishing anything I started.
So SubDuo just shows both at once — the original language on top, your own language underneath — on Prime Video, YouTube, Netflix and Disney+. You can drag the lines wherever they don't cover faces, scroll to resize each line independently, and set color and opacity so they don't fight the picture. It remembers your setup per site and syncs it across your Chrome devices. YouTube auto-generated captions work too, so it isn't limited to titles with official subs.
Free, 12 languages, no sign-up, and everything runs locally in the browser.
I'd love to know which service you'd want supported next, and whether the two-line layout holds up on your screen size — that's the part I've tweaked the most.
About SubDuo on Product Hunt
“Dual subtitles for Netflix, YouTube, Prime Video & Disney+”
SubDuo was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #26 on the daily leaderboard. SubDuo shows two subtitle languages at once on Prime Video, YouTube, Netflix and Disney+ — the original on top, your language below. No more pausing to switch subtitle tracks. Drag the lines anywhere on the video, scroll to resize each one independently, and set color and opacity per line so they never fight the picture. Settings save per site and sync across your Chrome devices. YouTube auto-generated captions work too. 12 languages. Free, no sign-up, 100% local — nothing leaves your browser.
On the analytics side, SubDuo competes within Chrome Extensions, Education, Languages and GitHub — topics that collectively have 187.9k followers on Product Hunt. The dashboard above tracks how SubDuo performed against the three products that launched closest to it on the same day.
Who hunted SubDuo?
SubDuo was hunted by ramune. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of SubDuo including community comment highlights and product details, visit the product overview.
ramune