Glimpse for Firefox by Vincent Brysse
Alt+click a link to preview it in a floating split-screen panel instead of leaving the page.
Extension Metadata
About this extension
Glimpse opens link previews in a real popup window, keeping you on your current page while you peek at the destination. Perfect for researching while reading, comparing multiple sources side by side, or checking links before fully committing to them.
Features:
- Configure which modifier key (Alt, Ctrl, or Shift) triggers previews
- Keyboard shortcuts for common actions: Ctrl+D to bookmark, Ctrl+Shift+L to copy the link, Ctrl+Shift+Enter to expand into a full tab, Alt+←/→ to navigate, Esc to close
- Resizable popup window that remembers its position between uses
- Works on any http/https link across all websites
Features:
- Configure which modifier key (Alt, Ctrl, or Shift) triggers previews
- Keyboard shortcuts for common actions: Ctrl+D to bookmark, Ctrl+Shift+L to copy the link, Ctrl+Shift+Enter to expand into a full tab, Alt+←/→ to navigate, Esc to close
- Resizable popup window that remembers its position between uses
- Works on any http/https link across all websites
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Permissions and data
Required permissions:
- Read and modify bookmarks
- Input data to the clipboard
- Access browser activity during navigation
- Access your data for all websites
Optional permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.1
- Size
- 25.26 KB
- Last updated
- 13 days ago (Jul 4, 2026)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
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