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/calebhailey/statuses/114678202638295751", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-13T21:35:04Z", "url": "https://mastodon.social/@calebhailey/114678202638295751", "attributedTo": "https://mastodon.social/users/calebhailey", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/calebhailey/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/calebhailey/statuses/114678202638295751", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-06-13:objectId=1022490318:objectType=Conversation", "content": "<p>📢 Calling all dark mode enthusiasts 🌚</p><p>For websites that offer a built-in dark mode, how dark is dark enough? Is it like as-black-as-my-soul dark, or would a darker shade color work? </p><p>For example, what about this bg color? </p><p><a href=\"https://mastodon.social/tags/HTML\" class=\"mention hashtag\" rel=\"tag\">#<span>HTML</span></a> <a href=\"https://mastodon.social/tags/CSS\" class=\"mention hashtag\" rel=\"tag\">#<span>CSS</span></a></p>", "contentMap": { "en": "<p>📢 Calling all dark mode enthusiasts 🌚</p><p>For websites that offer a built-in dark mode, how dark is dark enough? Is it like as-black-as-my-soul dark, or would a darker shade color work? </p><p>For example, what about this bg color? </p><p><a href=\"https://mastodon.social/tags/HTML\" class=\"mention hashtag\" rel=\"tag\">#<span>HTML</span></a> <a href=\"https://mastodon.social/tags/CSS\" class=\"mention hashtag\" rel=\"tag\">#<span>CSS</span></a></p>" }, "updated": "2025-06-13T21:35:22Z", "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/114/678/202/377/732/950/original/6a83cc50d0b7c64c.png", "name": null, "blurhash": "UFCPw{^+-:4.?bt7oeR*0KIUIo-pWUWBa{of", "width": 3216, "height": 1922 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/html", "name": "#html" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/css", "name": "#css" } ], "replies": { "id": "https://mastodon.social/users/calebhailey/statuses/114678202638295751/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/calebhailey/statuses/114678202638295751/replies?min_id=114694534957831919&page=true", "partOf": "https://mastodon.social/users/calebhailey/statuses/114678202638295751/replies", "items": [ "https://mastodon.social/users/calebhailey/statuses/114694534957831919" ] } }, "likes": { "id": "https://mastodon.social/users/calebhailey/statuses/114678202638295751/likes", "type": "Collection", "totalItems": 5 }, "shares": { "id": "https://mastodon.social/users/calebhailey/statuses/114678202638295751/shares", "type": "Collection", "totalItems": 2 } }