InterSub
verifiedFreemiumintersub.cc
Browser extension offering interactive dual subtitles and instant word translations for language learning while streaming.
What it does
InterSub is a browser extension that shows dual subtitles in your target and native language on streaming platforms and courses, with instant AI word translations on hover. Translated words save to a personal wordbook that syncs to Anki and mobile apps. It supports 30+ languages across YouTube, Netflix, and more.
How to use: Install the InterSub browser extension. Watch videos on supported platforms. Use dual subtitles for native and target languages. Hover over words for instant translations. Review saved words in your personal vocabulary.
Core features
Interactive dual subtitles
Instant hover word translations
On-the-fly subtitle translation
Personal wordbook with Anki sync
Multi-platform (YouTube, Netflix, Coursera, etc.)
Phrase/idiom collocation detection
Best for
→Learning a language via shows and courses
→Looking up words while watching
→Building and reviewing vocabulary
Pricing
Free
Pay-as-you-go: from
$1.50
Premium: from
$6/mo
Toolspool rankingby monthly traffic