Cobalt Tab

Cobalt Tab

A very customisable widget based start page/new tab

What is Cobalt Tab?
Cobalt Tab is a customisable widget based start page add-on for Microsoft Edge. It allows users to personalise their browsing experience by adding and arranging various widgets such as news feeds, weather updates, to-do lists, bookmarks, and more. With Cobalt Tab, users can create multiple workspaces, customise each widget's settings and styles, and enjoy a private and secure browsing experience without needing an account.
By: Joelacus
Users: 76 ▼ -6
Version: 0.9.0 (Last updated: 2024-03-16)
Creation date: 2023-07-10
Risk impact: Moderate risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 3
Overrides new tab: Yes
  • storage
Host permissions:
Size: 1.04M
URLs: Website
Stats date:

Other platforms

Not available on Chrome
Not available on Firefox
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Transform your browsing experience with Cobalt – the ultimate customisable widget based start page. Stay up to date with customisable news feeds, check the weather at a glance, manage tasks with the to-do list widget, jot down quick notes, and access your favourite bookmarks effortlessly. Make it as simple and minimalist as you like, or turn it into a productivity hub.

With a sleek and intuitive interface, Cobalt makes it a breeze to personalise your workspace just the way you want. Simply drag and drop widgets around your workspace, arranging them how you like, and resize them to fit your workspace perfectly. Customise each widget with its own settings and styles.

With multiple workspaces, you can have many start pages, each with its own unique set of widgets and style options. Want a different start page for work, school or at home, no problem!


  • A range of useful widgets
  • Freely move and resize your widgets
  • Multiple workspaces
  • Highly customisable
  • Lock screen
  • Browser sync and downloadable backups
  • Private and secure
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Risk impact

Cobalt Tab may not be safe to use and it requires some risky permissions. Exercise caution when installing this add-on. Review carefully before installing.

Risk likelihood

Cobalt Tab is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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