Greasy Fork is available in English.
Open the original source of an IG post, story or profile picture
< (Deprecated) Instagram Source Openerについてのフィードバック
I'm looking into this, although it seems like something that needs to be addressed on the manager side (e.g. Tampermonkey).
i think a chrome update broke the script. tried using tampermonkey and another userscript manager. Still seems to work on FireFox. Hope dev can confirm and find a fix