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.

Open in browser →
{ "@context": [ "https://join-lemmy.org/context.json", "https://www.w3.org/ns/activitystreams" ], "type": "Page", "id": "https://lemmy.ml/post/30918159", "attributedTo": "https://lemmy.ml/u/Ephera", "to": [ "https://lemmy.ml/c/programmerhumor", "https://www.w3.org/ns/activitystreams#Public" ], "name": "I don't know why this exists...", "cc": [], "content": "<p>Was looking for the logo of Perl in image search and this showed up…</p>\n", "mediaType": "text/html", "source": { "content": "Was looking for the logo of Perl in image search and this showed up...", "mediaType": "text/markdown" }, "attachment": [ { "type": "Image", "url": "https://lemmy.ml/pictrs/image/b122ec3c-80dd-42cd-a9f1-54f50d3894b1.png", "name": "The Python logo made up from two intertwined snakes, except the snake at the top having an enlarged egghead." } ], "image": { "type": "Image", "url": "https://lemmy.ml/pictrs/image/b122ec3c-80dd-42cd-a9f1-54f50d3894b1.png" }, "sensitive": false, "published": "2025-05-30T21:42:06.152669Z", "audience": "https://lemmy.ml/c/programmerhumor", "tag": [ { "href": "https://lemmy.ml/post/30918159", "name": "#programmerhumor", "type": "Hashtag" } ] }