There is no oauth involved, the import works by requesting your instagram zip archive and then selecting the downloaded zip file in Pixelfed. You can check out

There is no oauth involved, the import works by requesting your instagram zip archive and then selecting the downloaded zip file in Pixelfed. You can check out the code here: https://github.com/pixelfed/pixelfed/blob/dev/resources/assets/components/AccountImport.vue https://github.com/pixelfed/pixelfed/blob/dev/resources/asse... The neat thing is that it unzips the file locally and only uploads the posts you select, which Dansup says helped get around very large instagram archives and also means you don't have to worry about posts you don't want imported being sent to the pixelfed server.