Browser Theater by 하늘딛음
Hover over any video to expand it to fill your browser window — without losing your tabs or address bar.
Extension Metadata
About this extension
Browser Theater expands any video to fill the entire browser viewport, on any website.
✦ How to use
Hover over a video and click the button that appears. The video fills your browser window instantly. Hover to show the close button, or press Esc to exit.
✦ Features
• Keeps your tabs and address bar visible, unlike OS fullscreen (F11)
• Works on sites with overlays that block standard hover events
• Automatically selects the largest video when multiple are detected
• Compatible with YouTube, Twitch, and any other video site
✦ Privacy
No data is collected or transmitted.
✦ How to use
Hover over a video and click the button that appears. The video fills your browser window instantly. Hover to show the close button, or press Esc to exit.
✦ Features
• Keeps your tabs and address bar visible, unlike OS fullscreen (F11)
• Works on sites with overlays that block standard hover events
• Automatically selects the largest video when multiple are detected
• Compatible with YouTube, Twitch, and any other video site
✦ Privacy
No data is collected or transmitted.
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Permissions and data
Required permissions:
- Access browser tabs
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.1.1
- Size
- 18.73 KB
- Last updated
- 4 days ago (May 29, 2026)
- Related Categories
- License
- All Rights Reserved
- Version History
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