It does
- Read standard exposed caption tracks
- Identify language and track kind
- Flag machine or human captions when metadata says so
- Keep a temporary, in-memory reader view
A clear caption signal
Know when the words are really there.
Check whether the video in front of you exposes an official, usable caption track—then follow those captions in a quiet, large-text reader.
Free · Chrome and Chromium browsers · No account
Official tracks onlyChecks what the page exposes to your browser.
Source made clearShows language, live status, and generation type when stated.
Nothing retainedNo transcript uploads, history, tracking, or account.
From noisy player to readable signal.
Built for viewers and event volunteers who need an honest answer quickly—not another video downloader or transcription service.
Open the stream
Go to the public video or live stream you need to follow.
Check the page
Select the extension. It reports only caption tracks exposed through the browser’s standard video interface.
Follow the words
Choose a track and open the large-text reader. Resize it or switch to high contrast as needed.
The reader
Captions get the whole room.
Large type, timestamps, high contrast, and no related videos fighting for attention. Scroll back when you need context; jump to live when you’re ready.
We are standing by for the next communication.
The signal is clear.
An honest boundary.
The extension reports availability; it does not manufacture access where a platform has not provided it.
It never does
- Extract hidden or restricted tracks
- Download video or audio
- Transcribe with AI
- Bypass DRM or platform controls
A quieter way to know.
Install Caption Source Check and get a direct answer whenever a stream’s caption controls leave you guessing.
Download extension