Say you have used a program like Steamblower. For downloading gaming Steam Screenshots in bulk. It has provided you with a huge list of URLs. Each URL containing one image.
What do you do with those URLs now? Open each one by one?
Download JDownloader from Flathub.
flatpak install flathub org.jdownloader.JDownloader
flatpak run org.jdownloader.JDownloader
See this Guide if you don’t have Flatpack installed.
Open the program once it downloads.
Click the LinkGrabber tab.
Open the website or text file where you have the URLs stored. Copy them.
Right click inside the LinkGrabber tab. Select Paste Links.
If this message pops up. Click yes.
Then click Start all Downloads.
You will find a folder with all the downloaded files in it. Mine was by default in the Downloads folder. If you click Tools then Settings in the toolbar you can set the Download Directory.