Change Monitor Resolution with Shortcut Key
The built-in monitor resolution changer in Windows should be sufficient for most users, but for advanced users, web designers or developers that change monitor resolution quite often they need something better, a tool that allows them to switch from one resolution to another one easier.
There are many tools that are designed to change monitor resolution in a more user-friendly way. Hotkey Resolution Changer is one of them that you should take a look.
Hotkey Resolution Changer is a free program that enables you to change screen resolution using a user-defined shortcut key. The best part is that it supports up to 9 different monitor resolution settings, each with different hotkey. Monitor resolutions that are below 800×600 and frequencies above 100 Hertz are not supported, but users who need them can download the source of the program and compile it themselves.
Change Monitor Resolution with Hotkey:

Hotkey Resolution Changer is minimized to tray when you launch it. Click the tray icon to access the user interface of the program. Select how many hotkeys you need and configure the monitor resolution, color depth and frequency. Send back the program to tray. From now on, you just need to press a shortcut key to change monitor resolution.
Download Hotkey Resolution Changer to change monitor resolution (for Windows only) from the developer’s website
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