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SideCap

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Item media 1 (screenshot) for SideCap
Item media 2 (screenshot) for SideCap
Item media 3 (screenshot) for SideCap
Item media 1 (screenshot) for SideCap
Item media 1 (screenshot) for SideCap
Item media 2 (screenshot) for SideCap
Item media 3 (screenshot) for SideCap

Overview

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

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.

Details

  • Version
    0.6.1
  • Updated
    January 10, 2026
  • Size
    60.77KiB
  • Languages
    English (United States)
  • Developer
    Email
    ontimeandecho@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

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