Sublango
Quick start · 3 minutes

How to use Sublango

Install the extension, log in, choose your language, select subtitles-only or voice-over, then press Start. On unsupported platforms, Sublango can use live captions and live subtitles.

Quick start

Follow these steps to get subtitles, live captions, and optional voice-over working quickly.

Install

Add Sublango from the Chrome Web Store.

Log in

Press the login icon and sign in to activate Sublango.

If anything does not load correctly after login, refresh the page once.

Set language

Choose your subtitle or voice-over language in the controller.

You can change this anytime.

Refresh if needed

If something is not working correctly, refresh the page and press Start again.

Refreshing usually fixes loading or overlay issues.

Press Start

Click ▶ Start in the on-page controller.

  • Subtitles and live captions start quickly.

Choose output

Pick how you want to watch:

  • Subtitles only
  • Subtitles + voice-over

How plans and usage work

Simple and transparent: Demo and Pro include limited subtitle usage, including live captions and translated subtitles. Max includes voice-over and unlimited subtitles. The Unlimited Subtitles plan includes unlimited subtitles and live captions only. Extra voice-over minutes can be topped up on eligible voice-over plans. If your current plan does not include the feature you need, switch to another plan.

Voice-over

What gets counted

Voice-over minutes are only used while AI voice-over is ON and the video is playing.
When voice-over is active, subtitles are included automatically at no extra subtitle cost.
If your plan supports voice-over, you can buy extra voice-over minutes anytime.

Subtitles & live captions

How subtitle usage works

Demo and Pro include limited subtitle usage, including live captions and translated subtitles.
Max includes unlimited subtitles and live captions.
Unlimited Subtitles plan includes unlimited subtitles and live captions, but no voice-over.

Voice-over top-ups

Only where voice-over is available

Pro: €1.00/hour for extra Voice-over minutes.
Max: €0.80/hour for extra Voice-over minutes.
Unlimited Subtitles plan does not include voice-over top-ups — switch plans if you need voice-over.

Customize the overlay

Resize, move, and restyle subtitles to fit any content or screen.

Drag to move

Click and drag the subtitle box anywhere on the screen.

Resize text

Use + / − in the controller to change subtitle size.

Style

Adjust text color, background opacity, and overall look to match your screen.

Stop anytime

Click Stop anytime to end subtitles and voice-over in the current tab.

Overlay controls demo

Privacy & security

We only process audio to generate subtitles, live captions, and voice-over. We do not sell personal data.

What we do

Short and transparent.

We generate subtitles, live captions, and optional voice-over in real time across 40+ languages.
Your audio is not recorded, stored, or reused.
You control exactly when processing starts and stops.
See our Privacy Policy and Terms for full details.

Troubleshooting

Quick fixes for common issues.

If subtitles, live captions, or voice-over do not appear correctly, refresh the page and press Start again.
Still need help? Contact support.