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.ml/post/31418869", "attributedTo": "https://lemmy.ml/u/yogthos", "to": [ "https://lemmy.ml/c/programmerhumor", "https://www.w3.org/ns/activitystreams#Public" ], "name": "Vim is built different", "cc": [], "mediaType": "text/html", "attachment": [ { "type": "Image", "url": "https://lemmy.ml/pictrs/image/4526e63f-f0a5-433a-8c47-9871025ea3ac.png", "name": null } ], "image": { "type": "Image", "url": "https://lemmy.ml/pictrs/image/4526e63f-f0a5-433a-8c47-9871025ea3ac.png" }, "sensitive": false, "published": "2025-06-09T15:08:00.688984Z", "language": { "identifier": "en", "name": "English" }, "audience": "https://lemmy.ml/c/programmerhumor", "tag": [ { "href": "https://lemmy.ml/post/31418869", "name": "#programmerhumor", "type": "Hashtag" } ] }