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" } ], "id": "https://nondeterministic.computer/users/mjg59/statuses/114630455502269721", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-05T11:12:20Z", "url": "https://nondeterministic.computer/@mjg59/114630455502269721", "attributedTo": "https://nondeterministic.computer/users/mjg59", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://nondeterministic.computer/users/mjg59/followers" ], "sensitive": false, "atomUri": "https://nondeterministic.computer/users/mjg59/statuses/114630455502269721", "inReplyToAtomUri": null, "conversation": "tag:nondeterministic.computer,2025-06-05:objectId=10328370:objectType=Conversation", "content": "<p>Twitter&#39;s new encrypted DM system stores your private key material on Twitter-owned services, protected with nothing more than a 4-digit PIN. If hostile, or if legally compelled to, Twitter could easily decrypt all your messages. It&#39;s also MITMable and doesn&#39;t secure metadata. Use Signal.</p><p><a href=\"https://mjg59.dreamwidth.org/71646.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">mjg59.dreamwidth.org/71646.htm</span><span class=\"invisible\">l</span></a></p>", "contentMap": { "en": "<p>Twitter&#39;s new encrypted DM system stores your private key material on Twitter-owned services, protected with nothing more than a 4-digit PIN. If hostile, or if legally compelled to, Twitter could easily decrypt all your messages. It&#39;s also MITMable and doesn&#39;t secure metadata. Use Signal.</p><p><a href=\"https://mjg59.dreamwidth.org/71646.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">mjg59.dreamwidth.org/71646.htm</span><span class=\"invisible\">l</span></a></p>" }, "attachment": [], "tag": [], "replies": { "id": "https://nondeterministic.computer/users/mjg59/statuses/114630455502269721/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://nondeterministic.computer/users/mjg59/statuses/114630455502269721/replies?only_other_accounts=true&page=true", "partOf": "https://nondeterministic.computer/users/mjg59/statuses/114630455502269721/replies", "items": [] } }, "likes": { "id": "https://nondeterministic.computer/users/mjg59/statuses/114630455502269721/likes", "type": "Collection", "totalItems": 568 }, "shares": { "id": "https://nondeterministic.computer/users/mjg59/statuses/114630455502269721/shares", "type": "Collection", "totalItems": 639 } }