Understand every video,
in 10 languages
Overline adds real-time AI captions and live translation directly on top of any browser video — no subtitles needed, no tab switching.
The neural network processes the audio stream in real time
شبکه عصبی جریان صوتی را در لحظه پردازش میکند
Trusted by learners and professionals watching content in 10+ languages
- 🇺🇸English
- 🇮🇷Persian
- 🇩🇪German
- 🇯🇵Japanese
- 🇰🇷Korean
- 🇧🇷Portuguese
- 🇪🇸Spanish
- 🇫🇷French
Three steps to captions on any video
No downloads. No subtitle files. Just install, open, and read.
- 1
Install the extension
Add Overline to Chrome in seconds. Sign in with your account to get started.
- 2
Open any video
Navigate to any video on YouTube, Coursera, Netflix, or any website. Click the Overline icon.
- 3
Read in your language
Hit Start Captions. Real-time captions appear as an overlay — switch languages instantly.
Built for speed, clarity, and recall
Captions that keep up
Powered by Deepgram's streaming speech recognition, Overline shows captions within milliseconds of speech — never a sentence behind.
10 languages, zero delay
Translate captions into Persian, Arabic, Spanish, French, German, Japanese, Chinese, Korean, or Portuguese — live, as the words are spoken.
Cambia de idioma sin recargar el video
Every session, saved
After each session, your full transcript is saved to your account. Download as TXT or SRT — ready for notes, subtitles, or review.
- Neural Networks — Lecture 04Mar 12 38mEN → FA
- Design Review — Product SyncMar 10 52mEN → ES
- NHK News — EveningMar 09 24mJA → EN
Simple pricing. Start free.
No credit card required. Upgrade whenever you need more.
Free
Everything you need to start watching in any language.
- 20 minutes / month
- 10 languages
- Transcript history
- TXT + SRT export
Plus
For regulars who watch across a few languages a week.
- 10 hours (600 minutes) / month
- 10 languages
- Transcript history
- TXT + SRT export
- Priority processing
Pro
For power users who watch and share all day, every day.
- 30 hours (1,800 minutes) / month
- 10 languages
- Transcript history
- TXT + SRT export
- Priority processing
Questions, answered.
Everything you might want to know before installing the extension.
Yes — Overline works on any video playing in your browser tab. YouTube, Netflix, Coursera, Udemy, Zoom recordings, Loom, local video files opened in the browser — if audio plays in a tab, Overline can caption it.
Still curious? Get in touch.
Start watching in your language
Free to install. No credit card. Works on any video.