Greasy Fork is available in English.
Add the download button and the open button to download or open profile picture and media in the posts, stories, and highlights in Instagram
< Σχολιασμός για τον κώδικα Instagram Download Button
opening videos in new tab i get the "URL signature mismatch",the url ends with &cb_f2e=test if removed the video loads fine, hope this helps
videos are Downloaded as .plain file that contains the text "URL signature mismatch."