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://www.w3.org/ns/activitystreams", "https://w3id.org/security/v1" ], "attributedTo": "https://piefed.social/u/cabbage", "audience": "https://feddit.uk/c/buyeuropean", "cc": [ "https://feddit.uk/c/buyeuropean", "https://piefed.social/u/cabbage/followers" ], "content": "<p>That's really useful, thanks! I think I'll go for a Taiwanese HDD at home, and a Goodram SSD in the office.</p>\n", "distinguished": false, "flair": "", "id": "https://piefed.social/comment/6529307", "inReplyTo": "https://mastodon.social/users/matv1/statuses/114659784519225896", "language": { "identifier": "en", "name": "English" }, "mediaType": "text/html", "published": "2025-06-10T19:58:36.227327+00:00", "source": { "content": "That's really useful, thanks! I think I'll go for a Taiwanese HDD at home, and a Goodram SSD in the office.", "mediaType": "text/markdown" }, "to": [ "https://www.w3.org/ns/activitystreams#Public", "https://mastodon.social/users/matv1" ], "type": "Note" }