ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

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{ "@context": [ "https://join-lemmy.org/context.json", "https://www.w3.org/ns/activitystreams" ], "type": "Page", "id": "https://lemmy.world/post/29417182", "attributedTo": "https://lemmy.world/u/cm0002", "to": [ "https://lemmy.world/c/retrogaming", "https://www.w3.org/ns/activitystreams#Public" ], "name": "Fallout 1 and 2's source code isn't lost after all, thanks to one hero programmer: 'I made it a quest to snapshot everything'", "cc": [], "mediaType": "text/html", "attachment": [ { "href": "https://www.pcgamer.com/games/rpg/fallout-1-and-2s-source-code-isnt-lost-after-all-thanks-to-one-hero-programmer-i-made-it-a-quest-to-snapshot-everything/", "mediaType": "text/html; charset=utf-8", "type": "Link" } ], "image": { "type": "Image", "url": "https://lemmy.world/pictrs/image/d41088bc-265c-4ffb-8dc6-4feb73f9cc32.jpeg" }, "sensitive": false, "published": "2025-05-10T05:50:07.133019Z", "language": { "identifier": "en", "name": "English" }, "audience": "https://lemmy.world/c/retrogaming", "tag": [ { "href": "https://lemmy.world/post/29417182", "name": "#retrogaming", "type": "Hashtag" } ] }