Compare by compare
View two pages side-by-side in the sidebar and main panel. Perfect for diffing docs, comparing products, or reviewing translations.
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Extension Metadata
About this extension
Two pages. One decision. Maybe it's two products, two drafts of a document, or two translations of the same text. Drop a URL into Compare's sidebar and open it beside the page you're already on. The sidebar keeps both URLs visible and gives you a single button to close the split view when you're done. Each page loads independently — scroll, click, interact with both. No tab shuffling. Just the two things you need to see at once.
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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
- 1.0.0
- Size
- 31.9 KB
- Last updated
- a month ago (May 23, 2026)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
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