YouTube Subtitle Pro

Browser extensionsv4.0

Clear captions. Learning in the context of the video.

Watch, translate, practice, and understand the video from one focused panel.

In preparation

The public Chrome release is being prepared and tested. Installation will appear here when it is ready.

Chrome
Brave
Chromium

YouTube Subtitle Pro showing readable cinematic captions on a YouTube video

One flow, four jobs

Start with the video, then choose what you need.

Keep the experience simple for normal watching, then open deeper tools only when you want to translate, learn, understand, or create a missing caption track.

Watch clearlyUse two languages without losing the originalShow the original caption, the translated line, or both in sync. Each line keeps its own readable style and position.Manual YouTube tracks take priority when availableIndependent style controls for original and translated linesLocal SRT files and existing caption profiles stay available
Learn activelyTurn the current sentence into a short lessonReplay a sentence, pause after it, hear it at a useful pace, and practice your pronunciation without leaving the video.Sentence replay, repeat, and automatic pauseDevice voice and realistic speech with adjustable pacePronunciation coaching, vocabulary cards, and Anki export
Understand contextAsk follow-up questions, not isolated promptsYour learning companion stays grounded in the video transcript so explanations and follow-up answers remain connected to what you are watching.Contextual translation with optional audio verificationMeaning, grammar, vocabulary, and natural phrasingVideo summaries, useful timestamps, and continued conversation
Create missing captionsNo subtitle track? Build one from the video audioStart caption creation only when you need it, stop when you have enough, then use the timed result as the active track for watching or translation.User-started audio transcription with a clear stop actionTimed captions appear as a reusable track for the videoTranslation remains a separate choice after the track is ready

Free, local controls stay free

Caption styling, local fonts, local SRT files, device speech, vocabulary, and channel rules remain on the device and do not spend Extractly points.

Cloud work uses prepaid points

Contextual AI, realistic speech, pronunciation evaluation, audio verification, and caption creation stop when the available balance or safety limit is reached. There is no surprise overage.

Type: Browser extensions
Price: Free + optional cloud
Platform: Chrome · Brave · Chromium
License: Proprietary license
Version: 4.0.0
Status: Coming soon