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" } } ], "id": "https://social.vivaldi.net/users/Vivaldi/statuses/114533689579288944", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-19T09:03:29Z", "url": "https://social.vivaldi.net/@Vivaldi/114533689579288944", "attributedTo": "https://social.vivaldi.net/users/Vivaldi", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://social.vivaldi.net/users/Vivaldi/followers" ], "sensitive": false, "atomUri": "https://social.vivaldi.net/users/Vivaldi/statuses/114533689579288944", "inReplyToAtomUri": null, "conversation": "tag:vivaldi.net,2025-05-19:objectId=281115070:objectType=Conversation", "content": "<p>Hey! 👋 We gave your favorite browser a little spring cleaning!</p><p>Panels are lighter and cleaner, we added site-specific keyboard shortcuts, you can adjust the number of results in the Address Bar, plus plenty of under-the-hood tweaks to keep things smooth. Update now! 👀 </p><p><a href=\"https://vivaldi.com/blog/vivaldi-on-desktop-7-4/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">vivaldi.com/blog/vivaldi-on-de</span><span class=\"invisible\">sktop-7-4/</span></a></p>", "contentMap": { "en": "<p>Hey! 👋 We gave your favorite browser a little spring cleaning!</p><p>Panels are lighter and cleaner, we added site-specific keyboard shortcuts, you can adjust the number of results in the Address Bar, plus plenty of under-the-hood tweaks to keep things smooth. Update now! 👀 </p><p><a href=\"https://vivaldi.com/blog/vivaldi-on-desktop-7-4/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">vivaldi.com/blog/vivaldi-on-de</span><span class=\"invisible\">sktop-7-4/</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://social-cdn.vivaldi.net/system/media_attachments/files/114/533/689/471/163/496/original/5c144aafe96f717c.png", "name": "Image showing the Vivaldi 7.4 browser window open on a computer, with the refreshed Windows and Tabs panel open. ", "blurhash": "UKO;Vl_4uO4mqFMdIA-=An$*njWXAT%LxuIV", "width": 1920, "height": 1080 } ], "tag": [], "replies": { "id": "https://social.vivaldi.net/users/Vivaldi/statuses/114533689579288944/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://social.vivaldi.net/users/Vivaldi/statuses/114533689579288944/replies?only_other_accounts=true&page=true", "partOf": "https://social.vivaldi.net/users/Vivaldi/statuses/114533689579288944/replies", "items": [] } }, "likes": { "id": "https://social.vivaldi.net/users/Vivaldi/statuses/114533689579288944/likes", "type": "Collection", "totalItems": 71 }, "shares": { "id": "https://social.vivaldi.net/users/Vivaldi/statuses/114533689579288944/shares", "type": "Collection", "totalItems": 49 } }