While major platforms like YouTube and Netflix provide excellent closed captioning for their videos, the broader web does not. If you are watching an independent video player on a news site, listening to an embedded podcast, or participating in a web-based video call on a platform that lacks native transcription, understanding the audio can be a challenge.
To solve this, Google integrated a powerful accessibility feature called Live Caption directly into the Chrome browser. Using on-device machine learning, Chrome can automatically generate real-time subtitles for any audio playing through the browser, regardless of the website or media player being used.
How to Enable Live Caption in Chrome
The feature is turned off by default, but enabling it requires only a few clicks.
- Open Google Chrome.
- Click the Three-dot menu icon in the top-right corner of the browser window.
- Select Settings from the dropdown menu.
- In the left-hand sidebar, click on Accessibility.
- Toggle the switch for Live Caption to the On position.
The first time you turn this on, Chrome will briefly download a speech recognition file. Because the transcription is handled locally on your machine, the audio data never leaves your computer, ensuring complete privacy.
How to Use Live Captions
Once enabled, the feature works automatically. Navigate to any website containing audio or video (e.g., a news article with an autoplaying video clip) and ensure the audio is playing.
A black, semi-transparent box will appear at the bottom of your Chrome window, and the spoken dialogue will instantly appear as text within it.
- Moving the Box: You can click and drag the caption box to any position on the screen to prevent it from covering important video content.
- Resizing: Click the small arrow at the bottom of the caption box to expand it, allowing it to display more lines of text simultaneously.
- Muted Audio: Live Caption works even if you have the computer’s volume muted. This is incredibly useful if you need to “watch” a video in a quiet office environment without disturbing your colleagues.
How to Quickly Toggle Captions On and Off
Leaving Live Captions on permanently can become visually distracting if you do not always need them. Fortunately, you do not have to dig through the Settings menu every time you want to use them.
When you are playing audio in Chrome, a new icon appears in the browser toolbar (next to your extensions). It looks like a musical note accompanied by three horizontal lines.
- Click the Media Control icon (the musical note).
- A dropdown panel will appear showing the currently playing media.
- At the bottom of this panel, you will see a toggle switch for Live Caption. Click it to instantly turn the subtitles on or off for the current session.
Customising the Caption Appearance
If the default white text on a black background is difficult to read, you can customise the styling. However, because Chrome relies on your operating system for rendering the text, the styling options are located in your system settings, not inside Chrome.
- Open Chrome Settings > Accessibility.
- Click on Caption preferences.
- Chrome will open a new window directing you to your operating system’s native accessibility settings (e.g., the Windows 11 Settings app or macOS System Settings).
- From here, you can change the text size, font colour, and background opacity. The changes will immediately reflect in the Chrome Live Caption box.
By using Chrome’s Live Caption feature, you guarantee that every piece of spoken content on the internet is accessible, transcribed, and easy to understand.