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.ca/post/45860118", "attributedTo": "https://lemmy.ca/u/dullbananas", "to": [ "https://beehaw.org/c/foss", "https://www.w3.org/ns/activitystreams#Public" ], "name": "How I Fought To Graduate Without Using Nonfree Software - GNU Project - Free Software Foundation", "cc": [], "mediaType": "text/html", "attachment": [ { "href": "https://www.gnu.org/education/how-i-fought-to-graduate-without-using-non-free-software.html", "mediaType": "text/html", "type": "Link" } ], "sensitive": false, "published": "2025-06-11T02:52:11.007626Z", "language": { "identifier": "en", "name": "English" }, "audience": "https://beehaw.org/c/foss", "tag": [ { "href": "https://lemmy.ca/post/45860118", "name": "#foss", "type": "Hashtag" } ] }