Close Duplicate Tabs

Close Duplicate Tabs Clean up duplicate tabs instantly — across all windows, with full control over what gets closed. How it works Click the extension icon to open a live preview of all duplicate groups. Review which tabs will be kept, close individual duplicates or entire groups, then undo if needed. Features Visual popup — see duplicates grouped by URL before closing anything One-click close all, or close group by group Undo — reopen tabs you just closed Smart keep strategy — keep the most recently accessed, oldest, newest, pinned, or current-window tab Ignore query parameters — treat example.com?a=1 and example.com?b=2 as the same tab using URL prefix rules Exclusion list — skip domains you never want deduplicated Live Mode — automatically redirect duplicate tabs to the existing one as you browse Auto-close mode — silently close duplicates in the background Works across all windows, or limit to current window only Badge shows duplicate count at a glance No data collection. No external services.