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://social.vivaldi.net/users/Vivaldi/statuses/114552555910666731", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-22T17:01:27Z", "url": "https://social.vivaldi.net/@Vivaldi/114552555910666731", "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/114552555910666731", "inReplyToAtomUri": null, "conversation": "tag:vivaldi.net,2025-05-22:objectId=282500952:objectType=Conversation", "content": "<p>iPhone and iPad users, your browser just leveled up.</p><p>🎧 Keep audio playing even when you switch apps<br />📌 Pin the tabs you always use<br />🧱 Stack related tabs together for better tab management<br />🔗 Open links without getting bounced into other apps</p><p>Just how it should be.</p><p>Full list of changes: <a href=\"https://vivaldi.com/blog/vivaldi-on-ios-7-4/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">vivaldi.com/blog/vivaldi-on-io</span><span class=\"invisible\">s-7-4/</span></a> </p><p><a href=\"https://social.vivaldi.net/tags/Vivaldi\" class=\"mention hashtag\" rel=\"tag\">#<span>Vivaldi</span></a> <a href=\"https://social.vivaldi.net/tags/Browser\" class=\"mention hashtag\" rel=\"tag\">#<span>Browser</span></a> <a href=\"https://social.vivaldi.net/tags/iOS\" class=\"mention hashtag\" rel=\"tag\">#<span>iOS</span></a> <a href=\"https://social.vivaldi.net/tags/iPadOS\" class=\"mention hashtag\" rel=\"tag\">#<span>iPadOS</span></a> <a href=\"https://social.vivaldi.net/tags/iPhone\" class=\"mention hashtag\" rel=\"tag\">#<span>iPhone</span></a> <a href=\"https://social.vivaldi.net/tags/iPad\" class=\"mention hashtag\" rel=\"tag\">#<span>iPad</span></a></p>", "contentMap": { "en": "<p>iPhone and iPad users, your browser just leveled up.</p><p>🎧 Keep audio playing even when you switch apps<br />📌 Pin the tabs you always use<br />🧱 Stack related tabs together for better tab management<br />🔗 Open links without getting bounced into other apps</p><p>Just how it should be.</p><p>Full list of changes: <a href=\"https://vivaldi.com/blog/vivaldi-on-ios-7-4/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">vivaldi.com/blog/vivaldi-on-io</span><span class=\"invisible\">s-7-4/</span></a> </p><p><a href=\"https://social.vivaldi.net/tags/Vivaldi\" class=\"mention hashtag\" rel=\"tag\">#<span>Vivaldi</span></a> <a href=\"https://social.vivaldi.net/tags/Browser\" class=\"mention hashtag\" rel=\"tag\">#<span>Browser</span></a> <a href=\"https://social.vivaldi.net/tags/iOS\" class=\"mention hashtag\" rel=\"tag\">#<span>iOS</span></a> <a href=\"https://social.vivaldi.net/tags/iPadOS\" class=\"mention hashtag\" rel=\"tag\">#<span>iPadOS</span></a> <a href=\"https://social.vivaldi.net/tags/iPhone\" class=\"mention hashtag\" rel=\"tag\">#<span>iPhone</span></a> <a href=\"https://social.vivaldi.net/tags/iPad\" class=\"mention hashtag\" rel=\"tag\">#<span>iPad</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://social-cdn.vivaldi.net/system/media_attachments/files/114/552/555/614/057/192/original/674a375a7809ab3e.png", "name": "Image shows two iPhones with the Vivaldi Browser app open. In the app, there's some tabs pinned and a stack of tabs.", "blurhash": "UVRC9l%L?%N0%xZ~n4pJRMtQtTMy-+pHR:Q.", "width": 1024, "height": 576 } ], "tag": [ { "type": "Hashtag", "href": "https://social.vivaldi.net/tags/vivaldi", "name": "#vivaldi" }, { "type": "Hashtag", "href": "https://social.vivaldi.net/tags/browser", "name": "#browser" }, { "type": "Hashtag", "href": "https://social.vivaldi.net/tags/ios", "name": "#ios" }, { "type": "Hashtag", "href": "https://social.vivaldi.net/tags/ipados", "name": "#ipados" }, { "type": "Hashtag", "href": "https://social.vivaldi.net/tags/iphone", "name": "#iphone" }, { "type": "Hashtag", "href": "https://social.vivaldi.net/tags/ipad", "name": "#ipad" } ], "replies": { "id": "https://social.vivaldi.net/users/Vivaldi/statuses/114552555910666731/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://social.vivaldi.net/users/Vivaldi/statuses/114552555910666731/replies?only_other_accounts=true&page=true", "partOf": "https://social.vivaldi.net/users/Vivaldi/statuses/114552555910666731/replies", "items": [] } }, "likes": { "id": "https://social.vivaldi.net/users/Vivaldi/statuses/114552555910666731/likes", "type": "Collection", "totalItems": 43 }, "shares": { "id": "https://social.vivaldi.net/users/Vivaldi/statuses/114552555910666731/shares", "type": "Collection", "totalItems": 23 } }