Browsers

Close all browser tabs at once in Chrome, Edge or Firefox with Ctrl + Shift + W or Alt + F4. Mobile steps, keep-tabs options, close warnings and fixes.

Use Firefox’s about:config by typing it in the address bar, accepting the warning, then searching, toggling, editing or resetting any preference by name.

Flip on long edge turns two-sided pages like a book; flip on short edge turns them up like a notepad. Portrait and landscape table, settings and upside-down fixes.

Internet Options is not inside Microsoft Edge. Open it with control inetcpl.cpl, and find Edge’s own privacy, proxy and IE mode settings at edge://settings.

Enable or disable the pop-up blocker in Microsoft Edge under Site permissions > Pop-ups and redirects, allow one site, and set it on Android and iPhone.

Enable or disable extensions in Microsoft Edge from Manage extensions: use the toggle, block them on one site, allow InPrivate, remove add-ons and fix locked ones.

The complete list of Microsoft Edge browser extensions lives in the Edge Add-ons store. See its 12 categories, Microsoft’s own add-ons and notable picks by type.

Fix javascript:void(0) in Chrome, Edge or Safari: allow JavaScript, hard reload, clear site data, test extensions, update the browser, plus fixes for site owners.

Make Google your homepage in Chrome, Edge, Firefox and Safari: the exact settings, how to open Google at startup, set it as your search engine and fix resets.

Make new tabs in Edge open a page of your choice: what the NewTabPageLocation policy does, the startup page and Home button routes, blank tabs, Google and fixes.

Set up a Google Chromecast by plugging it into your TV, then using the Google Home app to add it to Wi-Fi. Steps for every model, testing, and fixes.

Restore tabs in your browser with Ctrl + Shift + T in Edge, Chrome, Firefox and Opera, or Shift-Command-T in Safari. Plus startup settings, history and fixes.