Sublango
Quick start · 3 minutes

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.

After login, refresh your tab.

Set language

Choose your target subtitle language in the controller.

You can change this anytime.

Refresh the tab

Reload the page you want subtitles on.

Ensures audio capture and overlay attach perfectly.

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.

Overlay controls demo

Privacy & security

We only process audio to generate subtitles & voice-over. We don’t sell personal data.

What we do

Short and transparent.

We create subtitles and optional voice-over in real time, supporting more than 40 languages.
Your audio is never recorded, stored, or reused.
You control exactly when capturing starts and stops.
See our Privacy Policy and Terms for full details.

Troubleshooting

Quick fixes for common issues.

• No subtitles? Refresh the page, then press Start again.
• Need help? Contact support.