HearLingo
Browser extension + local companion service: real-time subtitle translation and narration for foreign videos, on Chrome and Edge.
Chrome / Edge extension + Windows / macOS companion service, with official offline packages for direct download.
Product introduction videos
Videos are hosted on YouTube. If they do not play, visit hq-i.com/tools/hearlingo to watch them or read the installation details.
Key features
Real-time translation + narration
Grabs video subtitles automatically, translates them into your language and reads them aloud — watch foreign videos by listening instead of squinting at subtitles.
10 video sites out of the box
YouTube, Bilibili, TED, Netflix, TikTok and RedNote adapt automatically — no per-site setup.
On-device OCR for hard subtitles
Videos without embedded subtitles fall back to on-screen OCR, running 100% locally — no frames ever leave your device.
Privacy first
The extension collects no analytics or personal data; translation and narration in the free tier run through online services.
Supported video sites
Start in three steps
Install the extension
One-click install from the Chrome Web Store or Edge Add-ons — store builds update automatically. Offline packages are available for manual installs.
Run the local companion service
Download and run the Windows / macOS companion service for local translation and speech synthesis; it connects to the extension automatically.
Open a video site
Play a foreign video to get instant translation and narration; click anywhere on the page once to unmute audio blocked by the browser.
See hq-i.com/supportfor installation and troubleshooting; privacy policy at hq-i.com/privacy.
FAQ
Is HearLingo free?
The free service tier for subtitle translation and narration costs nothing; offline packages are provided officially on hq-i.com for direct download, and store builds auto-update.
Which browsers are supported?
Latest stable Chrome and Edge. Chrome users install from the Web Store, Edge users from Edge Add-ons; official offline packages support manual installs.
What about videos without embedded subtitles?
Yes. When no embedded subtitles exist, on-screen hard-subtitle OCR kicks in automatically and runs 100% locally — no frames are uploaded.
Do you collect my data?
The extension collects no analytics or personal data; translation and speech synthesis run through online services — see hq-i.com/privacy.
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