IrfanView might be a bit more popular than Air Display. We know about 3 links to it since March 2021 and only 3 links to Air Display. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Https://avatron.com/applications/air-display/ Not sure, if it does screen mirroring. Source: about 2 years ago
If you're talking about Target Display Mode, I'm afraid your iMac does not support it. You can still use something like Air Display, although I'm not sure if it will help you achieve what you want. Source: over 2 years ago
The other option is via software like AirDisplay, but that does cost money as well! Source: about 3 years ago
It doesn't sound like you need animations or other effects here, just still images. If that's so, you could: Export the slides to high resolution images (at least high enough to match the highest resolution your projectors are capable of). Use a PC to drive each projector; the cheapest, oldest PC in the place will be more than adequate. Run a program that can fill the screen with an image (and if needed, switch... Source: 12 months ago
Scantailor (https://scantailor.org) is the tool for self-scanned books that exist in images (png, jpg, etc). However, I usually use Irfanview with PDF plugin (https://irfanview.com - download both Irfanview and the Plugins from this home page) I have elsewhere in r/PDF shown how you can do batch splitting of two-page scans, clean up muddy pages (yellowed or browned) . In the Reddit search box, search for... Source: over 1 year ago
From there, open your favorite image editor (I use & recommend irfanView BTW đ) & paste it there. Then save it (I HIGHLY recommend saving it as a JPEG file). Source: over 2 years ago
Duet Display - With Duet Display, you can transform your iPhone or iPad into a second display to expand the screen space of your PC or Mac system.
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
iDisplay - iDisplay is an app that turns a mobile device into a secondary desktop monitor. The app currently supports iOS, Android, Windows and MacOS, and it lets users connect a desktop computer to a mobile device over WiFi. Read more about iDisplay.
FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.
spacedesk - spacedesk expands the Windows desktop computer screen to other computers over the local area...
JPEGView - JPEGView is a small and fast viewer/editor for JPEG, BMP, PNG, GIF and TIFF images.