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", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.social/users/WillFlux/statuses/114285543155764342", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-05T13:16:35Z", "url": "https://mastodon.social/@WillFlux/114285543155764342", "attributedTo": "https://mastodon.social/users/WillFlux", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/WillFlux/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/WillFlux/statuses/114285543155764342", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-04-05:objectId=964588252:objectType=Conversation", "content": "<p>Triangle rasterisation is surprisingly complex. There are multiple approaches and decisions to make on which pixels to include. As part of testing my Earthrise <a href=\"https://mastodon.social/tags/FPGA\" class=\"mention hashtag\" rel=\"tag\">#<span>FPGA</span></a> graphics engine, I&#39;ve created visual tests to complement more automated testing.</p>", "contentMap": { "en": "<p>Triangle rasterisation is surprisingly complex. There are multiple approaches and decisions to make on which pixels to include. As part of testing my Earthrise <a href=\"https://mastodon.social/tags/FPGA\" class=\"mention hashtag\" rel=\"tag\">#<span>FPGA</span></a> graphics engine, I&#39;ve created visual tests to complement more automated testing.</p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/114/285/518/330/200/446/original/d613fdaca756526c.png", "name": "24 small triangles rendered without and without edges highlighted for debugging.", "blurhash": "U35=a-1$Y1@xq{buR-tjRRsAjGR+paR-s.a2", "focalPoint": [ 0, 0 ], "width": 360, "height": 470 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/fpga", "name": "#fpga" } ], "replies": { "id": "https://mastodon.social/users/WillFlux/statuses/114285543155764342/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/WillFlux/statuses/114285543155764342/replies?min_id=114304490901804424&page=true", "partOf": "https://mastodon.social/users/WillFlux/statuses/114285543155764342/replies", "items": [ "https://mastodon.social/users/WillFlux/statuses/114304490901804424" ] } }, "likes": { "id": "https://mastodon.social/users/WillFlux/statuses/114285543155764342/likes", "type": "Collection", "totalItems": 11 }, "shares": { "id": "https://mastodon.social/users/WillFlux/statuses/114285543155764342/shares", "type": "Collection", "totalItems": 3 } }