SideCap

Learn languages faster with interactive captions - word lookup, translations, and clean transcripts in a beautiful sidebar.

As of June 2026, SideCap has users in the Education category.

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Ratingno change0%
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Version
0.6.1
Manifest V3

Permissions & access

Permissions
storagetabCaptureoffscreenactiveTab
Host access
None declared

Screenshots

SideCap screenshot 1SideCap screenshot 2SideCap screenshot 3

About

Learn languages faster with interactive YouTube captions - click words for definitions, translations, and clean caption history.

Sidecap adds side captions to YouTube videos, letting you interact with captions directly instead of pausing, rewinding, or switching tabs. Click on any word to see its meaning, translation, and usage - all inline, without interrupting playback.

What Sidecap does
	•	Click words in captions to see definitions and translations
	•	Automatically replay the last few seconds for context
	•	Build a clean, readable caption history as the video plays
	•	Switch between learning and translation modes
	•	View captions in a lightweight sidebar alongside the video

Designed for language learning

Sidecap is built for learners who want to stay immersed:
	•	No intrusive pop-ups
	•	No cluttered translation panels
	•	Just clear explanations, right when you need them

Privacy-first

Sidecap runs locally in your browser.
	•	No accounts
	•	No tracking
	•	No data collection

Supported languages

English, French, Spanish, Italian, German

Currently supports YouTube captions.

Technical

Version
0.6.1
Manifest
V3
Size
60.77KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
enlakpbfbpcnadojepdajikllhhlonke
Developer ID
uef1d5e254cab016c99e62e670a7def78
Developer Email
[email protected]
Created
Dec 29, 2025
Last Updated (Store)
Jan 10, 2026
Last Scraped
Jun 4, 2026
Website
Support URL

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Data sourced from the Chrome Web Store · last verified Jun 4, 2026.