Tab Closer

Close duplicate tabs that match by URL and title. Keep active, pinned, and audible tabs open, with review and Undo.

Tab Closer closes duplicate tabs that match by URL and title — and keeps the important ones open. WHAT IT DOES • Matches duplicates by URL and title • Waits for pages to load before deciding • Keeps one original tab • Protects active, pinned, and audible tabs • Review what will close, then Undo if you change your mind • One-click toolbar mode when you want speed • Site exceptions for domains you never want touched WHO IT’S FOR • Anyone who reopens the same doc or product page by accident • Tab strips that quietly grow clones of the same URL • People who tried aggressive auto-closers and lost a tab they needed HOW TO USE 1. Install Tab Closer (free) 2. Open the popup to review matches — or use one-click toolbar mode 3. Close duplicates → Undo if needed 4. Add site exceptions where you want duplicates left alone PRIVACY • Does not read page content • No account, no analytics, no ads, no external service