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://social.tchncs.de/users/mialikescoffee/statuses/114654289481684069", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-09T16:13:38Z", "url": "https://social.tchncs.de/@mialikescoffee/114654289481684069", "attributedTo": "https://social.tchncs.de/users/mialikescoffee", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://social.tchncs.de/users/mialikescoffee/followers", "https://mastodon.social/users/rmbolger" ], "sensitive": false, "atomUri": "https://social.tchncs.de/users/mialikescoffee/statuses/114654289481684069", "inReplyToAtomUri": null, "conversation": "tag:social.tchncs.de,2025-06-09:objectId=235883981:objectType=Conversation", "content": "<p>Encrypted Client Hello (ECH) is a TLS extension that encrypts the Server Name Indication (SNI) and other sensitive data. Combined with DNS over HTTPS (DoH) or DNS over TLS (DoT), it can significantly boost privacy.</p><p>Thanks to <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@rmbolger\" class=\"u-url mention\">@<span>rmbolger</span></a></span> for pointing out the RFC draft for ECH.</p><p><a href=\"https://mialikescoffee.com/encrypted-client-hello/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">mialikescoffee.com/encrypted-c</span><span class=\"invisible\">lient-hello/</span></a></p><p><a href=\"https://social.tchncs.de/tags/privacy\" class=\"mention hashtag\" rel=\"tag\">#<span>privacy</span></a> <a href=\"https://social.tchncs.de/tags/dns\" class=\"mention hashtag\" rel=\"tag\">#<span>dns</span></a> <a href=\"https://social.tchncs.de/tags/security\" class=\"mention hashtag\" rel=\"tag\">#<span>security</span></a></p>", "contentMap": { "en": "<p>Encrypted Client Hello (ECH) is a TLS extension that encrypts the Server Name Indication (SNI) and other sensitive data. Combined with DNS over HTTPS (DoH) or DNS over TLS (DoT), it can significantly boost privacy.</p><p>Thanks to <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@rmbolger\" class=\"u-url mention\">@<span>rmbolger</span></a></span> for pointing out the RFC draft for ECH.</p><p><a href=\"https://mialikescoffee.com/encrypted-client-hello/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">mialikescoffee.com/encrypted-c</span><span class=\"invisible\">lient-hello/</span></a></p><p><a href=\"https://social.tchncs.de/tags/privacy\" class=\"mention hashtag\" rel=\"tag\">#<span>privacy</span></a> <a href=\"https://social.tchncs.de/tags/dns\" class=\"mention hashtag\" rel=\"tag\">#<span>dns</span></a> <a href=\"https://social.tchncs.de/tags/security\" class=\"mention hashtag\" rel=\"tag\">#<span>security</span></a></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://mastodon.social/users/rmbolger", "name": "@rmbolger@mastodon.social" }, { "type": "Hashtag", "href": "https://social.tchncs.de/tags/privacy", "name": "#privacy" }, { "type": "Hashtag", "href": "https://social.tchncs.de/tags/dns", "name": "#dns" }, { "type": "Hashtag", "href": "https://social.tchncs.de/tags/security", "name": "#security" } ], "replies": { "id": "https://social.tchncs.de/users/mialikescoffee/statuses/114654289481684069/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://social.tchncs.de/users/mialikescoffee/statuses/114654289481684069/replies?only_other_accounts=true&page=true", "partOf": "https://social.tchncs.de/users/mialikescoffee/statuses/114654289481684069/replies", "items": [] } }, "likes": { "id": "https://social.tchncs.de/users/mialikescoffee/statuses/114654289481684069/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://social.tchncs.de/users/mialikescoffee/statuses/114654289481684069/shares", "type": "Collection", "totalItems": 4 } }