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://mastodon.social/users/anatudor/statuses/114308055372746063", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.social/users/anatudor/statuses/114281022654106239", "published": "2025-04-09T12:41:45Z", "url": "https://mastodon.social/@anatudor/114308055372746063", "attributedTo": "https://mastodon.social/users/anatudor", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/anatudor/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/anatudor/statuses/114308055372746063", "inReplyToAtomUri": "https://mastodon.social/users/anatudor/statuses/114281022654106239", "conversation": "tag:mastodon.social,2025-04-04:objectId=963980349:objectType=Conversation", "content": "<p>By the way, the code is heavily commented <a href=\"https://codepen.io/thebabydino/pen/MYWxeew\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">codepen.io/thebabydino/pen/MYW</span><span class=\"invisible\">xeew</span></a></p><p>So you can see how it works without JS, without wrapping individual elements into spans, just letting it wrap naturally. And without covers that wouldn&#39;t allow for an image backdrop behind the text.</p><p><a href=\"https://mastodon.social/tags/CSS\" class=\"mention hashtag\" rel=\"tag\">#<span>CSS</span></a> <a href=\"https://mastodon.social/tags/SVG\" class=\"mention hashtag\" rel=\"tag\">#<span>SVG</span></a> <a href=\"https://mastodon.social/tags/filter\" class=\"mention hashtag\" rel=\"tag\">#<span>filter</span></a> <a href=\"https://mastodon.social/tags/svgFilter\" class=\"mention hashtag\" rel=\"tag\">#<span>svgFilter</span></a> <a href=\"https://mastodon.social/tags/blendMode\" class=\"mention hashtag\" rel=\"tag\">#<span>blendMode</span></a> <a href=\"https://mastodon.social/tags/blending\" class=\"mention hashtag\" rel=\"tag\">#<span>blending</span></a> <a href=\"https://mastodon.social/tags/code\" class=\"mention hashtag\" rel=\"tag\">#<span>code</span></a> <a href=\"https://mastodon.social/tags/coding\" class=\"mention hashtag\" rel=\"tag\">#<span>coding</span></a> <a href=\"https://mastodon.social/tags/frontend\" class=\"mention hashtag\" rel=\"tag\">#<span>frontend</span></a> <a href=\"https://mastodon.social/tags/web\" class=\"mention hashtag\" rel=\"tag\">#<span>web</span></a> <a href=\"https://mastodon.social/tags/dev\" class=\"mention hashtag\" rel=\"tag\">#<span>dev</span></a> <a href=\"https://mastodon.social/tags/webDevelopment\" class=\"mention hashtag\" rel=\"tag\">#<span>webDevelopment</span></a> <a href=\"https://mastodon.social/tags/webDev\" class=\"mention hashtag\" rel=\"tag\">#<span>webDev</span></a></p>", "contentMap": { "en": "<p>By the way, the code is heavily commented <a href=\"https://codepen.io/thebabydino/pen/MYWxeew\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">codepen.io/thebabydino/pen/MYW</span><span class=\"invisible\">xeew</span></a></p><p>So you can see how it works without JS, without wrapping individual elements into spans, just letting it wrap naturally. And without covers that wouldn&#39;t allow for an image backdrop behind the text.</p><p><a href=\"https://mastodon.social/tags/CSS\" class=\"mention hashtag\" rel=\"tag\">#<span>CSS</span></a> <a href=\"https://mastodon.social/tags/SVG\" class=\"mention hashtag\" rel=\"tag\">#<span>SVG</span></a> <a href=\"https://mastodon.social/tags/filter\" class=\"mention hashtag\" rel=\"tag\">#<span>filter</span></a> <a href=\"https://mastodon.social/tags/svgFilter\" class=\"mention hashtag\" rel=\"tag\">#<span>svgFilter</span></a> <a href=\"https://mastodon.social/tags/blendMode\" class=\"mention hashtag\" rel=\"tag\">#<span>blendMode</span></a> <a href=\"https://mastodon.social/tags/blending\" class=\"mention hashtag\" rel=\"tag\">#<span>blending</span></a> <a href=\"https://mastodon.social/tags/code\" class=\"mention hashtag\" rel=\"tag\">#<span>code</span></a> <a href=\"https://mastodon.social/tags/coding\" class=\"mention hashtag\" rel=\"tag\">#<span>coding</span></a> <a href=\"https://mastodon.social/tags/frontend\" class=\"mention hashtag\" rel=\"tag\">#<span>frontend</span></a> <a href=\"https://mastodon.social/tags/web\" class=\"mention hashtag\" rel=\"tag\">#<span>web</span></a> <a href=\"https://mastodon.social/tags/dev\" class=\"mention hashtag\" rel=\"tag\">#<span>dev</span></a> <a href=\"https://mastodon.social/tags/webDevelopment\" class=\"mention hashtag\" rel=\"tag\">#<span>webDevelopment</span></a> <a href=\"https://mastodon.social/tags/webDev\" class=\"mention hashtag\" rel=\"tag\">#<span>webDev</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "video/mp4", "url": "https://files.mastodon.social/media_attachments/files/114/308/053/323/997/069/original/e57671526aef6c95.mp4", "name": "Recording of resizing the viewport and letting the text wrap naturally.", "blurhash": "UTJH8m9Zo~r^8yIUV@t7Tb%Mj?X50dR*k8j=", "focalPoint": [ 0, 0 ], "width": 946, "height": 866 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/css", "name": "#css" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/svg", "name": "#svg" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/filter", "name": "#filter" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/SVGFilter", "name": "#SVGFilter" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/blendmode", "name": "#blendmode" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/blending", "name": "#blending" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/code", "name": "#code" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/coding", "name": "#coding" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/frontend", "name": "#frontend" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/web", "name": "#web" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/dev", "name": "#dev" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/webdevelopment", "name": "#webdevelopment" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/webdev", "name": "#webdev" } ], "replies": { "id": "https://mastodon.social/users/anatudor/statuses/114308055372746063/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/anatudor/statuses/114308055372746063/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/anatudor/statuses/114308055372746063/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/anatudor/statuses/114308055372746063/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://mastodon.social/users/anatudor/statuses/114308055372746063/shares", "type": "Collection", "totalItems": 1 } }