How to use Sublango
Install the extension, log in, set your language, choose subtitles-only or voice-over (off by default), press Start.
Quick start
Follow these steps to get subtitles (and optional voice-over) working immediately.
Install
Add Sublango from the Chrome Web Store.
Log in
Press the login icon and sign in to your account to activate Sublango.
Set language
Choose your target subtitle language in the controller.
Refresh the tab
Reload the page you want subtitles on.
Press Start
Click ▶ Start in the on-page controller.
- Subtitles appear instantly
Choose output
Pick how you want to watch:
- Subtitles only (default — voice-over off)
- Subtitles + voice-over (spoken translation on)
Customize the overlay
Resize, move, and restyle subtitles to fit any content.
Drag to move
Click and drag the subtitle box to reposition it.
Resize text
Use + / − to increase or decrease font size.
Style
Change text color and background opacity.
Stop anytime
Click ■ Stop to end subtitles for this tab.

Privacy & security
We only process audio to generate subtitles & voice-over. We don’t sell personal data.
What we do
Short and transparent.
Troubleshooting
Quick fixes for common issues.