Privacy First • Community Funded
🚀 Built by a solo developer.
"This is a great way to jump to a particular window without having to hunt it down with the mouse."
— Lifehacker
"I wish I had found this app much earlier, because it would have saved me a lot of frustration in figuring out which of the 10 open windows in Safari has the tab I'm looking for."
— Medium
"I can see what's going on with the app much better, which helps my workflow."
— GroovyPost
"If you want an alternative to AltTab that includes previews of your apps when you hover over their icon in the dock, try DockDoor."
— Yahoo
"The app allows users to manage and interact with application windows on their desktops. It emphasizes ease of use and seamless integration with the macOS environment."
— Mac Treasure
"In Windows, when you hover over an app on the taskbar, the operating system shows you the open windows for that app, a useful feature missing in macOS until now with the introduction of the free menu bar app DockDoor."
— AppAddict
"It's free, open-source, and honestly, Apple should have bought this developer out by now."
— Medium
"This is a great way to jump to a particular window without having to hunt it down with the mouse." index download xzm.html
— Lifehacker
"I wish I had found this app much earlier, because it would have saved me a lot of frustration in figuring out which of the 10 open windows in Safari has the tab I'm looking for."
— Medium
"I can see what's going on with the app much better, which helps my workflow."
— GroovyPost
"If you want an alternative to AltTab that includes previews of your apps when you hover over their icon in the dock, try DockDoor."
— Yahoo
"The app allows users to manage and interact with application windows on their desktops. It emphasizes ease of use and seamless integration with the macOS environment."
— Mac Treasure
"In Windows, when you hover over an app on the taskbar, the operating system shows you the open windows for that app, a useful feature missing in macOS until now with the introduction of the free menu bar app DockDoor."
— AppAddict
"It's free, open-source, and honestly, Apple should have bought this developer out by now."
— Medium
Your data stays on your Mac. Always.
No cloud, no servers, no external connections. Even debug logs stay on your Mac.
We don't collect analytics, usage data, or personal information. Not even crash reports.
Full transparency. Review our code, contribute, help with translations, or build it yourself.
Transform your Mac workflow with intuitive window management
Hover over any dock icon to see live previews of all windows. Click to switch or manage without changing focus.
Press Option+Tab for Windows-style window switching with live previews. Fast, familiar, and efficient.
Enhance the native macOS Command+Tab experience with richer previews and smoother navigation.
Customize DockDoor to match your workflow preferences
Personalize your dock preview experience with different layout options. Adjust spacing, sizing, and arrangement to suit your needs.
Choose from different visual styles and layouts for your window switcher. Customize the appearance to match your workflow and visual preferences.
Customize every aspect of DockDoor to fit your needs
Fine-tune dock hover behavior, preview thresholds, and per-feature toggles for dock interactions.
Configure Alt+Tab behavior, sorting, layout direction, and compact mode thresholds.
Replace the native Cmd+Tab with DockDoor's enhanced overlay, with its own appearance and behavior settings.
Customize the look and feel of previews, colors, window sizing, and visual effects.
Configure trackpad gestures, keyboard shortcuts, and window positioning actions.
Choose which apps show in previews, and configure media controls and calendar widgets on dock hover.
Window controls exactly where you need them
DockDoor adds intuitive window controls to each preview. Close, minimize, or maximize windows with just one click, without having to switch focus.
Navigate and control windows entirely with your keyboard
Tab forward, Shift backward, or use arrow keys to navigate through windows
Select, close, quit, or minimize windows
Open Window Switcher and navigate without touching your mouse
This allows users to carry their entire operating system and applications on a tiny USB stick, adding or removing features just by moving files into specific folders like /porteus/modules . 2. Why "index" and "xzm.html"?
Instead of installing software normally, Porteus "activates" these modules. When you double-click an .xzm file, its contents are instantly injected into the system's directory structure without a lengthy installation process.
The search term is often a byproduct of a specific technical workflow involving the Porteus Linux operating system or similar lightweight distributions that use the .xzm file format.
When you see a file named index.html appearing during an .xzm download, it usually indicates a or a server-side redirect : How does .xzm files actually work - Porteus forum
It is a compressed module format (specifically a SquashFS filesystem compressed with LZMA2).
The primary reason you are seeing "xzm" in a download context is likely related to , a portable Linux distribution.
This article breaks down what these components are, why you might encounter this specific file name, and how to manage it safely. 1. Understanding the .xzm Extension
DockDoor is built by a solo developer and kept 100% free.
Every contribution directly funds development and keeps the project alive.
Your support funds new features, bug fixes, and ongoing maintenance. No subscriptions, no ads, no data selling. Just community support.
Support DevelopmentEven $3 makes a huge difference
Free for macOS 13 Ventura and later
This allows users to carry their entire operating system and applications on a tiny USB stick, adding or removing features just by moving files into specific folders like /porteus/modules . 2. Why "index" and "xzm.html"?
Instead of installing software normally, Porteus "activates" these modules. When you double-click an .xzm file, its contents are instantly injected into the system's directory structure without a lengthy installation process.
The search term is often a byproduct of a specific technical workflow involving the Porteus Linux operating system or similar lightweight distributions that use the .xzm file format.
When you see a file named index.html appearing during an .xzm download, it usually indicates a or a server-side redirect : How does .xzm files actually work - Porteus forum
It is a compressed module format (specifically a SquashFS filesystem compressed with LZMA2).
The primary reason you are seeing "xzm" in a download context is likely related to , a portable Linux distribution.
This article breaks down what these components are, why you might encounter this specific file name, and how to manage it safely. 1. Understanding the .xzm Extension
DockDoor is an open-source project made possible by these wonderful contributors.
