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.

Open in browser →
{ "@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://mastodon.social/users/CalcProgrammer1/statuses/114319687311859747", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-11T13:59:54Z", "url": "https://mastodon.social/@CalcProgrammer1/114319687311859747", "attributedTo": "https://mastodon.social/users/CalcProgrammer1", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/CalcProgrammer1/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/CalcProgrammer1/statuses/114319687311859747", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-04-11:objectId=969722588:objectType=Conversation", "content": "<p>New weird issue I&#39;ve run into with <a href=\"https://mastodon.social/tags/Librewolf\" class=\"mention hashtag\" rel=\"tag\">#<span>Librewolf</span></a> on <a href=\"https://mastodon.social/tags/postmarketOS\" class=\"mention hashtag\" rel=\"tag\">#<span>postmarketOS</span></a> / <a href=\"https://mastodon.social/tags/AlpineLinux\" class=\"mention hashtag\" rel=\"tag\">#<span>AlpineLinux</span></a> - the latest version in the Alpine repository doesn&#39;t want to play any videos. I&#39;ve tried on both YouTube and several Peertube instances and videos just sit at an endless spinner. Audio works fine, playing music from my Subsonic server works no problem. I installed the <a href=\"https://mastodon.social/tags/Flatpak\" class=\"mention hashtag\" rel=\"tag\">#<span>Flatpak</span></a> version and symlinked my profile directories, it plays video just fine using the same profile.</p>", "contentMap": { "en": "<p>New weird issue I&#39;ve run into with <a href=\"https://mastodon.social/tags/Librewolf\" class=\"mention hashtag\" rel=\"tag\">#<span>Librewolf</span></a> on <a href=\"https://mastodon.social/tags/postmarketOS\" class=\"mention hashtag\" rel=\"tag\">#<span>postmarketOS</span></a> / <a href=\"https://mastodon.social/tags/AlpineLinux\" class=\"mention hashtag\" rel=\"tag\">#<span>AlpineLinux</span></a> - the latest version in the Alpine repository doesn&#39;t want to play any videos. I&#39;ve tried on both YouTube and several Peertube instances and videos just sit at an endless spinner. Audio works fine, playing music from my Subsonic server works no problem. I installed the <a href=\"https://mastodon.social/tags/Flatpak\" class=\"mention hashtag\" rel=\"tag\">#<span>Flatpak</span></a> version and symlinked my profile directories, it plays video just fine using the same profile.</p>" }, "updated": "2025-04-11T14:00:09Z", "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/alpinelinux", "name": "#alpinelinux" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/librewolf", "name": "#librewolf" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/postmarketos", "name": "#postmarketos" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/flatpak", "name": "#flatpak" } ], "replies": { "id": "https://mastodon.social/users/CalcProgrammer1/statuses/114319687311859747/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/CalcProgrammer1/statuses/114319687311859747/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/CalcProgrammer1/statuses/114319687311859747/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/CalcProgrammer1/statuses/114319687311859747/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.social/users/CalcProgrammer1/statuses/114319687311859747/shares", "type": "Collection", "totalItems": 0 } }