SPF is a free macOS screen overlay app for presentations on low contrast monitors. This is a simple menubar app that adds a semi-opaque black overlay to your screen that highlights the elements on the projectors and low contrast monitors. Just launch the app, configure the porosity and then it will show the contents of your screen on other screen in a detailed manner. This is an extremely simple MAC OS app that you will like for its simplicity and fast functionality. In single click, you can add the overlay and clear it too.
During presenting on a projector or a big monitor, the bright elements generally fade out. They don’t show properly on low contrast display but with this simple app, SPF you can make your design and other elements more visible in one click.
There are different levels of the dark screen overlay you can choose from the menu bar icon of the app and it will immediately apply that. However, do not expect much from this app as it is only designed to do one task. Apart from that, you can use it as general overlay to lower the brightness of your Macbook screen.
Using this Free macOS screen overlay app for presentations on low contrast monitors:
This is an open source app for MBPs and you can easily install this. Simply download this app from here and then open the folder where the app is available and then run it. By default, MAC will block the app from running so you will have to allow it from the security settings in your MAC’s preferences.
Now, after launching the app, it will show in the menu bar. Simply click on its icon and choose the opacity percentage that you think will be good. It will immediately apply the overlay and then you can simply keep doing what you want. Apart from just using it during presentation, you can use this app for other purposes as well.
That is it. In this way, you can use this simple app while giving presentations on low contrast displays. You just have to use the different opacity options which it shows and then let it do the rest. Simple as that. If some of the bright elements in your presentation often get fade away then this app will be so useful for you.
Closing words
This SPF is very useful app for you that can help you control the contrast level of the projectors and other external connected displays. So, if you are looking for some app like this which can highlight the elements in your presentation on external days then you can give this a try.
