filter_none Browser Extension · V1.4
Tab Dedup
A minimalist extension that automatically detects and closes duplicate tabs using semantic context analysis. Reclaim your browser, one tab at a time.
How it works
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Semantic Detection
Goes beyond exact-URL matching. Tabs are normalized into fingerprints so duplicates are caught even with tracking params or redirects.
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Instant Cleanup
Duplicate tabs collapse the moment they're detected, keeping your window lean without manual effort.
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Fully On-Device
All analysis runs locally in your browser. No page content ever leaves your machine.
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Configurable Rules
Whitelist domains, choose which tab to keep, and tune how aggressively duplicates are merged.