YSK that when you upload images to Imgur with a registered account (free or paid account), in the settings you will find an option to download all of your uploaded images in one go into a .zip file
from /r/YouShouldKnow
YSK，當你用註冊賬戶（免費或付費賬戶）向Imgur上傳圖片時，在設置中你會發現一個選項，可以將你上傳的所有圖片一次性下載到一個.zip文件中。