Overline

What is Overline?

Overline is a Chrome extension that adds real-time AI captions and live translation directly onto any browser video. It eliminates the need for subtitles or tab switching, working on platforms like YouTube, Coursera, and Netflix. Users can instantly read captions in 10 languages as audio plays, with transcription history saved for later use.

Application scenarios

Online learning
Watch lecture videos on Coursera or YouTube with live captions and translation, like a neural networks course in Persian.
Streaming entertainment
Enjoy Netflix shows or movies with real-time captions in Spanish, French, or Japanese without subtitle files.
Professional development
Review recorded Zoom meetings or Loom videos with accurate transcription and export for notes.
News consumption
Follow international news broadcasts, such as NHK News, with live translation from Japanese to English.
Language practice
Translate content on the fly to learn new languages while watching native-speaker videos.
Accessibility
Provide captions for any browser video, aiding users who are deaf or hard of hearing.

Core Features

Real-time transcription
Captions appear within milliseconds of speech, powered by Deepgram's streaming speech recognition with 112 ms latency.
Live translation
Translate captions instantly into 10 languages—Persian, Arabic, Spanish, French, German, Japanese, Chinese, Korean, Portuguese, or English—without reloading the video.
Transcript history
Every session's full transcript is automatically saved to your account for later review.
Export options
Download transcripts as TXT or SRT files for notes, subtitles, or review.
Cross-platform support
Works on any video playing in a browser tab, including YouTube, Netflix, Coursera, Udemy, Zoom recordings, and Loom.
Language switching
Change the caption language on the fly without interrupting playback.

Target users

Overline is built for learners, professionals, and multilingual viewers who need captions or translation while watching browser-based videos. It's ideal for students taking online courses, professionals reviewing recorded meetings, language learners, and anyone who wants to understand content in foreign languages without relying on pre-existing subtitles.

How to use Overline?

Install the extension: Add Overline to Chrome from the Chrome Web Store and sign in with your account.
Open any video: Navigate to a video on YouTube, Coursera, Netflix, or any website.
Start captions: Click the Overline icon, then hit "Start Captions" to see real-time overlays. Switch languages instantly as needed.
Access history: After each session, your full transcript is saved to your account for download as TXT or SRT.

Pricing and free trial

Overline offers a free plan with 20 minutes per month, 10 languages, transcript history, and TXT+SRT export. Paid tiers include:

Plus: $12.99/month for 10 hours (600 minutes), priority processing.
Pro: $34.99/month for 30 hours (1,800 minutes), priority processing.

No credit card is required to start with the free plan.

Effect review

Overline delivers a practical, no-fuss solution for real-time captions and translation on any browser video. The integration with Deepgram ensures low-latency transcription, and the 10-language translation support covers a wide range of use cases from education to entertainment. The free tier is generous enough for occasional users, while the paid plans offer substantial minutes for regulars and power users. For anyone tired of hunting for subtitles or switching tabs, this extension is a straightforward upgrade to video watching.

Frequently Asked Questions

How does Overline generate captions?

Overline uses AI to transcribe audio in real time, displaying captions directly on any browser video without needing subtitles.

What languages does Overline support for translation?

Overline supports live translation into multiple languages, including English, Spanish, French, German, Chinese, and more.

Do I need to install separate software or just the Chrome extension?

Only the Chrome extension is needed. It works automatically on any video in your browser.

Does Overline work with all video platforms?

Yes, it works with any browser video, including YouTube, Netflix, Coursera, and others.

Is Overline free to use?

Overline offers a free tier with basic features, and premium plans for advanced options like longer sessions and more languages.