01 / Subtitles
Both lines, without the pile-up.
Stable sizing, clear contrast, and a familiar translation that stays secondary.
Dual subtitles for Netflix and YouTube
Keep the line you are learning above the one you know. Click a phrase when the translation still is not helping.
Free includes the useful parts. Premium explains the stubborn ones.
No te preocupes por nada de eso
Do not worry about any of that
In the player
Click a word or drag across a phrase. Dubstack opens beside the subtitles, with the scene still in view.
The useful bits
Choose two languages and press play. Dubstack handles the parts that usually turn a 30-minute episode into a 50-minute one.
01 / Subtitles
Stable sizing, clear contrast, and a familiar translation that stays secondary.
02 / Lookup
Drag across the expression and keep the explanation attached to its sentence.
03 / Replay
Alt-R jumps back to the current subtitle.
04 / Save
Save context as you watch, then export to CSV or Anki later.
05 / Controls
Switch languages, tune the subtitle look, and get out of the way.
Privacy
Free features stay in the browser. Premium sends only the phrase you selected, the nearby subtitle line, and the language pair needed to answer it.
Read the short versionPricing
Use the full watching loop for free. Pay only when explanations for idioms, grammar, and tone start saving you time.
$0
$4/month
Or $29 for the year.
A few details
No. Premium requests include only the phrase you ask about, its subtitle context, the language pair, and access data.
Dubstack leaves the site's own captions alone until it has subtitle lines ready to show.
Yes. The free features keep working after cancellation.
No. Dubstack is independent and is not affiliated with Netflix, YouTube, or Google.