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/31949768", "attributedTo": "https://lemmy.ml/u/HiddenLayer555", "to": [ "https://lemmy.ml/c/programmerhumor", "https://www.w3.org/ns/activitystreams#Public" ], "name": "Why make it complicated?", "cc": [], "content": "<p>Made with KolourPaint and screenshots from Kate (with the GitHub theme).</p>\n", "mediaType": "text/html", "source": { "content": "Made with KolourPaint and screenshots from Kate (with the GitHub theme).", "mediaType": "text/markdown" }, "attachment": [ { "type": "Image", "url": "https://lemmy.ml/pictrs/image/cbdf1e36-8669-481f-a5dc-5098c87abd6b.png", "name": null } ], "image": { "type": "Image", "url": "https://lemmy.ml/pictrs/image/cbdf1e36-8669-481f-a5dc-5098c87abd6b.png" }, "sensitive": false, "published": "2025-06-19T18:06:01.016546Z", "language": { "identifier": "en", "name": "English" }, "audience": "https://lemmy.ml/c/programmerhumor", "tag": [ { "href": "https://lemmy.ml/post/31949768", "name": "#programmerhumor", "type": "Hashtag" } ] }