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Get a sound, notification and tab focus when a long browser task finishes. DoneBell tells you when a long-running browser task finishes, so you can stop checking the same tab over and over. It can detect AI response completion on supported chat services and can also watch a page element you select on other websites. Built-in AI support includes ChatGPT, Claude, Gemini and DeepSeek, with generic detection available for additional AI interfaces. Key features: • Sound alerts with a built-in bell or your own local audio file • Live volume control and optional repeat-until-acknowledged mode • Browser/system notifications • Optional automatic switching to a finished tab • Independent controls for stopping alerts when you manually or automatically open a completed tab • Flashing DONE status in the tab title • Large in-page completion control • Universal element watcher for non-AI web tasks • Global notification profiles and per-site overrides • Optional Auto-Watch for supported AI sites • 18 interface languages • Customizable fonts, colors and appearance • Local diagnostics and GitHub bug reporting Privacy is a core part of DoneBell. Manual watching uses temporary browser access after you explicitly activate the extension. Auto-Watch is opt-in per site and requests access only to that site's listed origin. DoneBell does not request access to all websites. Settings, diagnostic logs and custom alert audio are stored locally in browser extension storage. Diagnostic reports are not sent automatically. DoneBell is currently in Public Beta. AI websites can change their interfaces, so compatibility may occasionally require updates. Developed by Generion Lab.
Aug 25, 2026
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