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/110859660603868688", "type": "Note", "summary": null, "inReplyTo": null, "published": "2023-08-09T12:29:36Z", "url": "https://mastodon.social/@anatudor/110859660603868688", "attributedTo": "https://mastodon.social/users/anatudor", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/anatudor/followers", "https://mozilla.social/users/FirefoxDevTools" ], "sensitive": false, "atomUri": "https://mastodon.social/users/anatudor/statuses/110859660603868688", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2023-08-09:objectId=509513892:objectType=Conversation", "content": "<p>Really like this in <span class=\"h-card\" translate=\"no\"><a href=\"https://mozilla.social/@FirefoxDevTools\" class=\"u-url mention\">@<span>FirefoxDevTools</span></a></span> 😍 </p><p>❗ only works for properties, not values as well, see 🪲 <a href=\"https://bugzilla.mozilla.org/show_bug.cgi?id=1636301\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bugzilla.mozilla.org/show_bug.</span><span class=\"invisible\">cgi?id=1636301</span></a> </p><p>For example, there&#39;s zero indication that `background: filter(var(--url), blur(3px))` doesn&#39;t work in Firefox.</p><p>❗ that&#39;s the `filter()` *function* (spec <a href=\"https://w3.org/TR/filter-effects/#FilterCSSImageValue\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">w3.org/TR/filter-effects/#Filt</span><span class=\"invisible\">erCSSImageValue</span></a> + Firefox🪲 <a href=\"https://bugzilla.mozilla.org/show_bug.cgi?id=1191043\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bugzilla.mozilla.org/show_bug.</span><span class=\"invisible\">cgi?id=1191043</span></a>), not the `filter` *property*, which has been supported cross-browser for years.</p><p><a href=\"https://mastodon.social/tags/CSS\" class=\"mention hashtag\" rel=\"tag\">#<span>CSS</span></a> <a href=\"https://mastodon.social/tags/Firefox\" class=\"mention hashtag\" rel=\"tag\">#<span>Firefox</span></a> <a href=\"https://mastodon.social/tags/FirefoxDevTools\" class=\"mention hashtag\" rel=\"tag\">#<span>FirefoxDevTools</span></a> <a href=\"https://mastodon.social/tags/devTools\" class=\"mention hashtag\" rel=\"tag\">#<span>devTools</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/webDev\" class=\"mention hashtag\" rel=\"tag\">#<span>webDev</span></a> <a href=\"https://mastodon.social/tags/webDevelopment\" class=\"mention hashtag\" rel=\"tag\">#<span>webDevelopment</span></a></p>", "contentMap": { "en": "<p>Really like this in <span class=\"h-card\" translate=\"no\"><a href=\"https://mozilla.social/@FirefoxDevTools\" class=\"u-url mention\">@<span>FirefoxDevTools</span></a></span> 😍 </p><p>❗ only works for properties, not values as well, see 🪲 <a href=\"https://bugzilla.mozilla.org/show_bug.cgi?id=1636301\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bugzilla.mozilla.org/show_bug.</span><span class=\"invisible\">cgi?id=1636301</span></a> </p><p>For example, there&#39;s zero indication that `background: filter(var(--url), blur(3px))` doesn&#39;t work in Firefox.</p><p>❗ that&#39;s the `filter()` *function* (spec <a href=\"https://w3.org/TR/filter-effects/#FilterCSSImageValue\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">w3.org/TR/filter-effects/#Filt</span><span class=\"invisible\">erCSSImageValue</span></a> + Firefox🪲 <a href=\"https://bugzilla.mozilla.org/show_bug.cgi?id=1191043\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bugzilla.mozilla.org/show_bug.</span><span class=\"invisible\">cgi?id=1191043</span></a>), not the `filter` *property*, which has been supported cross-browser for years.</p><p><a href=\"https://mastodon.social/tags/CSS\" class=\"mention hashtag\" rel=\"tag\">#<span>CSS</span></a> <a href=\"https://mastodon.social/tags/Firefox\" class=\"mention hashtag\" rel=\"tag\">#<span>Firefox</span></a> <a href=\"https://mastodon.social/tags/FirefoxDevTools\" class=\"mention hashtag\" rel=\"tag\">#<span>FirefoxDevTools</span></a> <a href=\"https://mastodon.social/tags/devTools\" class=\"mention hashtag\" rel=\"tag\">#<span>devTools</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/webDev\" class=\"mention hashtag\" rel=\"tag\">#<span>webDev</span></a> <a href=\"https://mastodon.social/tags/webDevelopment\" class=\"mention hashtag\" rel=\"tag\">#<span>webDevelopment</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/110/859/656/142/719/618/original/cd2f903f089dea90.png", "name": "Screenshot of the CSS Rules tab in Firefox DevTools.\n\nShows a tooltip that pops up on hovering the light bulb icon after a striked and greyed out (marked as invalied) animation-range rule.\n\nThe tooltip offers support info:\n\n\"animation-range is an experimental property. It is not supported in the following browsers:\n\n Firefox 115\n Firefox for Android 115\n Safari 16.6\n Safari on iOS 16.6\"\n\nAnd then links to the MDN page for the animation-range property.", "blurhash": "U79a28E20eo|?bRjIVfl9Yof-Cs:xcRkozt7", "focalPoint": [ 0, 0 ], "width": 679, "height": 314 }, { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/110/859/657/060/126/258/original/212ecd3a0641ed9e.png", "name": "Screenshot. `background: filter()` isn't marked in Firefox DevTools in any way that would indicate that it is in fact not working/ supported.", "blurhash": "U26R4QyFyDS]PJaIs,$,$y$%rsoM^nY5K0Sc", "focalPoint": [ 0, 0 ], "width": 553, "height": 173 } ], "tag": [ { "type": "Mention", "href": "https://mozilla.social/users/FirefoxDevTools", "name": "@FirefoxDevTools@mozilla.social" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/css", "name": "#css" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/firefox", "name": "#firefox" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/firefoxdevtools", "name": "#firefoxdevtools" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/devtools", "name": "#devtools" }, { "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/webdev", "name": "#webdev" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/webdevelopment", "name": "#webdevelopment" } ], "replies": { "id": "https://mastodon.social/users/anatudor/statuses/110859660603868688/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/anatudor/statuses/110859660603868688/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/anatudor/statuses/110859660603868688/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/anatudor/statuses/110859660603868688/likes", "type": "Collection", "totalItems": 12 }, "shares": { "id": "https://mastodon.social/users/anatudor/statuses/110859660603868688/shares", "type": "Collection", "totalItems": 3 } }