Dumpor is a very popular website that you can use and download all kinds of Insta posts, stories, and many other things anonymously. No need to login to download any things from Instagrams. You can also know about Dumpor alternative & use instead of Dumpor: Here are the top 5 Dumpor Alternatives sites:
Picuki
Ingrammer
StoriesIG
FastSave
iZoomYou
Bigbangram
4k Stogram
Snaplnsta
Also visit: https://allaccessing.com/dumpor-alternatives/