

Paste the address, get the pictures
Click Add URL and paste a gallery's address. Instead of saving the page as a file, MDM opens Download a gallery. When its line reads gallery-dl can download this gallery's files, check Save to and click Download Now, or Later to add it without starting.
The pictures go into a folder of their own, named after the gallery. Want only a few? Type a number in Files at most to take the first ones the site lists, on most sites the newest.
The gallery gets one row in your download list. Its size grows as the pictures arrive, and its log says how many were saved.
Next time, only what is new
Start a finished gallery again with Resume and MDM fetches only the pictures that aren't in its folder yet. The ones you already have are skipped, so following an artist or an album costs nothing but the new pictures.
Which sites
Add URL sends these to the gallery window: Wikimedia Commons categories, Flickr photographers and
albums, DeviantArt and ArtStation galleries, Imgur albums, Pixiv artists and works, Pinterest
boards and pins, Danbooru and Gelbooru searches, Tumblr blogs and Bluesky profiles. A picture's
own address, one ending in .jpg or .png, still downloads as a single file.
A helper you can check
gallery-dl is an optional helper, like yt-dlp for videos. On Windows and Linux, MDM installs it the first time you need it, from its releases on Codeberg, and only when the release is signed by its author's key. On macOS, install it with Homebrew or pip and choose it in Helpers..., which also takes your own copy on any system, such as the gallery-dl your Linux distribution ships (version 1.20 or later).
It asks sites for one picture a second at most, and names itself as MDM, because some servers, Wikimedia's among them, refuse tools that ask faster or without a name. It uses no configuration file of yours.
Two things to know: Stop keeps the pictures saved so far, and Delete takes the gallery off the list but leaves its folder and pictures on disk. Delete the folder yourself if you want it gone.
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