Langvue
Tutorials

How to Add Live Subtitles to Online Videos

Learn how browser-based live subtitles can help you follow online videos in another language.

By Langvue Editorial

Live subtitles can make online video easier to understand when official translated captions are missing or incomplete.

Browser video translation example with source and translated subtitles

La inteligencia artificial esta cambiando como aprendemos.

AI is changing how we learn.

Langvue keeps source and translated subtitle lines with the browser video while it plays.

What live subtitles do

Live subtitles convert spoken audio into text while the media plays. When translation is enabled, the subtitle text appears in the target language.

Step-by-step: add subtitles in the browser

Use this workflow for supported browser video or audio pages.

  1. 1

    Install the extension.

  2. 2

    Open the online video page.

  3. 3

    Select the spoken source language.

  4. 4

    Select the subtitle target language.

  5. 5

    Start translation and keep watching.

Good use cases

Live subtitles can help with training videos, product demos, interviews, lectures, and audio pages where you want translated context while the media continues.

Honest limitations

Live subtitles are not guaranteed to work on every website. Audio quality, browser permissions, site restrictions, and speech clarity can affect the experience.

Ready to translate videos in real time?

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