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", "Hashtag": "as:Hashtag" } ], "id": "https://mas.to/users/bloodravenlib/statuses/114619863112795364", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-03T14:18:33Z", "url": "https://mas.to/@bloodravenlib/114619863112795364", "attributedTo": "https://mas.to/users/bloodravenlib", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mas.to/users/bloodravenlib/followers" ], "sensitive": false, "atomUri": "https://mas.to/users/bloodravenlib/statuses/114619863112795364", "inReplyToAtomUri": null, "conversation": "tag:mas.to,2025-06-03:objectId=500624409:objectType=Conversation", "content": "<p>&gt; Meta and Yandex are de-anonymizing Android users’ web browsing identifiers <a href=\"https://arstechnica.com/security/2025/06/meta-and-yandex-are-de-anonymizing-android-users-web-browsing-identifiers/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">arstechnica.com/security/2025/</span><span class=\"invisible\">06/meta-and-yandex-are-de-anonymizing-android-users-web-browsing-identifiers/</span></a></p><p>In more reasons to <a href=\"https://mas.to/tags/DeleteFacebook\" class=\"mention hashtag\" rel=\"tag\">#<span>DeleteFacebook</span></a> <a href=\"https://mas.to/tags/DeleteInstagram\" class=\"mention hashtag\" rel=\"tag\">#<span>DeleteInstagram</span></a> <a href=\"https://mas.to/tags/DeleteMeta\" class=\"mention hashtag\" rel=\"tag\">#<span>DeleteMeta</span></a> </p><p><a href=\"https://mas.to/tags/SocialMedia\" class=\"mention hashtag\" rel=\"tag\">#<span>SocialMedia</span></a> <a href=\"https://mas.to/tags/tech\" class=\"mention hashtag\" rel=\"tag\">#<span>tech</span></a> <a href=\"https://mas.to/tags/Internet\" class=\"mention hashtag\" rel=\"tag\">#<span>Internet</span></a> <a href=\"https://mas.to/tags/privacy\" class=\"mention hashtag\" rel=\"tag\">#<span>privacy</span></a> <a href=\"https://mas.to/tags/fuckery\" class=\"mention hashtag\" rel=\"tag\">#<span>fuckery</span></a></p>", "contentMap": { "en": "<p>&gt; Meta and Yandex are de-anonymizing Android users’ web browsing identifiers <a href=\"https://arstechnica.com/security/2025/06/meta-and-yandex-are-de-anonymizing-android-users-web-browsing-identifiers/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">arstechnica.com/security/2025/</span><span class=\"invisible\">06/meta-and-yandex-are-de-anonymizing-android-users-web-browsing-identifiers/</span></a></p><p>In more reasons to <a href=\"https://mas.to/tags/DeleteFacebook\" class=\"mention hashtag\" rel=\"tag\">#<span>DeleteFacebook</span></a> <a href=\"https://mas.to/tags/DeleteInstagram\" class=\"mention hashtag\" rel=\"tag\">#<span>DeleteInstagram</span></a> <a href=\"https://mas.to/tags/DeleteMeta\" class=\"mention hashtag\" rel=\"tag\">#<span>DeleteMeta</span></a> </p><p><a href=\"https://mas.to/tags/SocialMedia\" class=\"mention hashtag\" rel=\"tag\">#<span>SocialMedia</span></a> <a href=\"https://mas.to/tags/tech\" class=\"mention hashtag\" rel=\"tag\">#<span>tech</span></a> <a href=\"https://mas.to/tags/Internet\" class=\"mention hashtag\" rel=\"tag\">#<span>Internet</span></a> <a href=\"https://mas.to/tags/privacy\" class=\"mention hashtag\" rel=\"tag\">#<span>privacy</span></a> <a href=\"https://mas.to/tags/fuckery\" class=\"mention hashtag\" rel=\"tag\">#<span>fuckery</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mas.to/tags/fuckery", "name": "#fuckery" }, { "type": "Hashtag", "href": "https://mas.to/tags/privacy", "name": "#privacy" }, { "type": "Hashtag", "href": "https://mas.to/tags/internet", "name": "#internet" }, { "type": "Hashtag", "href": "https://mas.to/tags/tech", "name": "#tech" }, { "type": "Hashtag", "href": "https://mas.to/tags/socialmedia", "name": "#socialmedia" }, { "type": "Hashtag", "href": "https://mas.to/tags/DeleteMeta", "name": "#DeleteMeta" }, { "type": "Hashtag", "href": "https://mas.to/tags/deleteinstagram", "name": "#deleteinstagram" }, { "type": "Hashtag", "href": "https://mas.to/tags/deletefacebook", "name": "#deletefacebook" } ], "replies": { "id": "https://mas.to/users/bloodravenlib/statuses/114619863112795364/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mas.to/users/bloodravenlib/statuses/114619863112795364/replies?only_other_accounts=true&page=true", "partOf": "https://mas.to/users/bloodravenlib/statuses/114619863112795364/replies", "items": [] } }, "likes": { "id": "https://mas.to/users/bloodravenlib/statuses/114619863112795364/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mas.to/users/bloodravenlib/statuses/114619863112795364/shares", "type": "Collection", "totalItems": 3 } }