No Duplicate Tabs 作成者: Neyaza

Hiển thị cảnh báo nếu bạn mở một tab đã có URL trùng.

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Firefox をダウンロードして拡張機能を入手する

ファイルをダウンロード

この拡張機能について

Description: If you open a tab with the same URL, display a warning “This tab is already open” – helps avoid duplicates.

Practical: Lightweight, suitable for people who work with many tabs.

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