I spend alot of time inside Firefox both at work and at home, yet I'm constantly jumping between the browser and a handful of desktop applications. Lightroom. Photoshop. VS Code. Spotify. File Explorer. What if Firefox could bridge that gap? Not by replacing those applications, but by keeping them connected to the same workspace through a lightweight tab overlay that follows you beyond the browser. I've had an idea for Firefox that started from a simple frustration and that is that most of my work happens in the browser, but I still constantly switch between Firefox and many desktop applications. In my case it's Lightroom, Photoshop, Notes, Spotify, grandMA3, File Explorer, Discord, etc I present to you: Firefox Workspace Overlay (App Tabs + Overlay Mode) Credit to @ollenilssonen on instagram for the beautiful fox cub photo Firefox could detect applications that are already running (with explicit user permission) and allow selected apps to appear alongside normal browser tabs. When you click an app tab, Firefox would switch focus to that application. However, instead of disappearing completely, Firefox would leave behind a small always-on-top overlay containing your tab bar. So, while working in Lightroom, Photoshop, VS Code, or another desktop application, you would still have quick access to: Your browser tabs Other application tabs Search/navigation shortcuts A one-click return to Firefox The overlay could be minimal, customizable, and optionally autohide when not in use. The goal isn't to replace the desktop or run applications inside Firefox. It's simply to reduce the friction of constantly moving between browser tabs and desktop applications throughout the day. One thing browsers do well is create a unified workspace. Everything related to a project exists in one place. But as soon as you need a desktop application, that workflow breaks apart and you're back to flipping through windows, taskbars, and Alt+Tab. This feature could connect that gap without requiring applications themselves to change. I've made a concept mockup showing Lightroom running normally while Firefox keeps a small tab overlay available at the top of the screen. The application remains a native desktop app, but navigation between web content and desktop tools becomes much more seamless. I'd be interested to hear whether something like this would be technically feasible within Firefox's architecture, and whether others see value in the idea.
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