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", "Emoji": "toot:Emoji" } ], "id": "https://hello.2heng.xin/users/omgubuntu/statuses/114420941064713119", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-29T11:10:04Z", "url": "https://hello.2heng.xin/@omgubuntu/114420941064713119", "attributedTo": "https://hello.2heng.xin/users/omgubuntu", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://hello.2heng.xin/users/omgubuntu/followers" ], "sensitive": false, "atomUri": "https://hello.2heng.xin/users/omgubuntu/statuses/114420941064713119", "inReplyToAtomUri": null, "conversation": "tag:hello.2heng.xin,2025-04-29:objectId=18991528:objectType=Conversation", "content": "<p>Firefox 138 Released with Long-Awaited Profile Manager</p><p>At long last, Mozilla Firefox has native profile management features – and they don’t suck! The feature, which begins rolling out in today’s Firefox 138 update, is the latest “big ticket” feature the browser has belatedly sought to add, following recent long-requested supported for vertical tabs and tab grouping capabilities. Last month’s Firefox 137 release added the aforementioned tab grouping features, give its address bar a chip-laden overhaul, and flipped the switch on HEVC video playback on Linux. Firefox 138 has a number of notable changes to match those of its predecessor, so for a closer look at what they are, :sys_more_orange:<br /><a href=\"https://hello.2heng.xin/tags/News\" class=\"mention hashtag\" rel=\"tag\">#<span>News</span></a> <a href=\"https://hello.2heng.xin/tags/AppUpdates\" class=\"mention hashtag\" rel=\"tag\">#<span>AppUpdates</span></a> <a href=\"https://hello.2heng.xin/tags/Firefox\" class=\"mention hashtag\" rel=\"tag\">#<span>Firefox</span></a> </p><p>:sys_omgubuntu: <a href=\"https://www.omgubuntu.co.uk/2025/04/firefox-138-new-features\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">omgubuntu.co.uk/2025/04/firefo</span><span class=\"invisible\">x-138-new-features</span></a></p>", "contentMap": { "en": "<p>Firefox 138 Released with Long-Awaited Profile Manager</p><p>At long last, Mozilla Firefox has native profile management features – and they don’t suck! The feature, which begins rolling out in today’s Firefox 138 update, is the latest “big ticket” feature the browser has belatedly sought to add, following recent long-requested supported for vertical tabs and tab grouping capabilities. Last month’s Firefox 137 release added the aforementioned tab grouping features, give its address bar a chip-laden overhaul, and flipped the switch on HEVC video playback on Linux. Firefox 138 has a number of notable changes to match those of its predecessor, so for a closer look at what they are, :sys_more_orange:<br /><a href=\"https://hello.2heng.xin/tags/News\" class=\"mention hashtag\" rel=\"tag\">#<span>News</span></a> <a href=\"https://hello.2heng.xin/tags/AppUpdates\" class=\"mention hashtag\" rel=\"tag\">#<span>AppUpdates</span></a> <a href=\"https://hello.2heng.xin/tags/Firefox\" class=\"mention hashtag\" rel=\"tag\">#<span>Firefox</span></a> </p><p>:sys_omgubuntu: <a href=\"https://www.omgubuntu.co.uk/2025/04/firefox-138-new-features\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">omgubuntu.co.uk/2025/04/firefo</span><span class=\"invisible\">x-138-new-features</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": null, "url": "https://i0.wp.com/www.omgubuntu.co.uk/wp-content/uploads/2025/04/firefox-138.jpg?resize=406,232&ssl=1", "name": "Media source: https://i0.wp.com/www.omgubuntu.co.uk/wp-content/uploads/2025/04/firefox-138.jpg?resize=406,232&ssl=1", "blurhash": null } ], "tag": [ { "type": "Hashtag", "href": "https://hello.2heng.xin/tags/news", "name": "#news" }, { "type": "Hashtag", "href": "https://hello.2heng.xin/tags/AppUpdates", "name": "#AppUpdates" }, { "type": "Hashtag", "href": "https://hello.2heng.xin/tags/firefox", "name": "#firefox" }, { "id": "https://hello.2heng.xin/emojis/11788", "type": "Emoji", "name": ":sys_more_orange:", "updated": "2020-07-07T11:38:57Z", "icon": { "type": "Image", "mediaType": "image/png", "url": "https://s3.mashiro.top/mstdn/custom_emojis/images/000/011/788/original/7ef7a484af2e7939.png" } }, { "id": "https://hello.2heng.xin/emojis/11786", "type": "Emoji", "name": ":sys_omgubuntu:", "updated": "2020-07-07T11:38:57Z", "icon": { "type": "Image", "mediaType": "image/png", "url": "https://s3.mashiro.top/mstdn/custom_emojis/images/000/011/786/original/d0451437f379cb90.png" } } ], "replies": { "id": "https://hello.2heng.xin/users/omgubuntu/statuses/114420941064713119/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://hello.2heng.xin/users/omgubuntu/statuses/114420941064713119/replies?only_other_accounts=true&page=true", "partOf": "https://hello.2heng.xin/users/omgubuntu/statuses/114420941064713119/replies", "items": [] } } }