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/NekoCWD/statuses/114603375785616464", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-31T16:25:36Z", "url": "https://mastodon.social/@NekoCWD/114603375785616464", "attributedTo": "https://mastodon.social/users/NekoCWD", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/NekoCWD/followers", "https://mastodon.social/users/vala_lang", "https://social.treehouse.systems/users/postmarketOS" ], "sensitive": false, "atomUri": "https://mastodon.social/users/NekoCWD/statuses/114603375785616464", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-05-31:objectId=1011195654:objectType=Conversation", "content": "<p>MirrorNeko - virtual screen, like MirrorHall, but without <a href=\"https://mastodon.social/tags/gnome\" class=\"mention hashtag\" rel=\"tag\">#<span>gnome</span></a> mutter screencast dependency. And written in <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@vala_lang\" class=\"u-url mention\">@<span>vala_lang</span></a></span> .<br />Now i can use my <span class=\"h-card\" translate=\"no\"><a href=\"https://social.treehouse.systems/@postmarketOS\" class=\"u-url mention\">@<span>postmarketOS</span></a></span> tablet as 3rd screen :D<br />Btw, video demo was <a href=\"https://mastodon.social/tags/ShotOnOnePlus\" class=\"mention hashtag\" rel=\"tag\">#<span>ShotOnOnePlus</span></a> 6.</p><p><a href=\"https://gitlab.com/NekoCWD/mirrorneko#\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">gitlab.com/NekoCWD/mirrorneko#</span><span class=\"invisible\"></span></a></p><p>P.S. I need icon for it🙏<br />Feel free to draw one 🐱 ❤️ </p><p><a href=\"https://mastodon.social/tags/linuxonmobile\" class=\"mention hashtag\" rel=\"tag\">#<span>linuxonmobile</span></a> <a href=\"https://mastodon.social/tags/mobilelinux\" class=\"mention hashtag\" rel=\"tag\">#<span>mobilelinux</span></a> <a href=\"https://mastodon.social/tags/ShotOnMainline\" class=\"mention hashtag\" rel=\"tag\">#<span>ShotOnMainline</span></a></p>", "contentMap": { "en": "<p>MirrorNeko - virtual screen, like MirrorHall, but without <a href=\"https://mastodon.social/tags/gnome\" class=\"mention hashtag\" rel=\"tag\">#<span>gnome</span></a> mutter screencast dependency. And written in <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@vala_lang\" class=\"u-url mention\">@<span>vala_lang</span></a></span> .<br />Now i can use my <span class=\"h-card\" translate=\"no\"><a href=\"https://social.treehouse.systems/@postmarketOS\" class=\"u-url mention\">@<span>postmarketOS</span></a></span> tablet as 3rd screen :D<br />Btw, video demo was <a href=\"https://mastodon.social/tags/ShotOnOnePlus\" class=\"mention hashtag\" rel=\"tag\">#<span>ShotOnOnePlus</span></a> 6.</p><p><a href=\"https://gitlab.com/NekoCWD/mirrorneko#\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">gitlab.com/NekoCWD/mirrorneko#</span><span class=\"invisible\"></span></a></p><p>P.S. I need icon for it🙏<br />Feel free to draw one 🐱 ❤️ </p><p><a href=\"https://mastodon.social/tags/linuxonmobile\" class=\"mention hashtag\" rel=\"tag\">#<span>linuxonmobile</span></a> <a href=\"https://mastodon.social/tags/mobilelinux\" class=\"mention hashtag\" rel=\"tag\">#<span>mobilelinux</span></a> <a href=\"https://mastodon.social/tags/ShotOnMainline\" class=\"mention hashtag\" rel=\"tag\">#<span>ShotOnMainline</span></a></p>" }, "updated": "2025-05-31T16:27:51Z", "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/114/603/353/525/129/738/original/42a5064522dee438.png", "name": "Server part", "blurhash": "ULC?flIU9Z%M~qRjIUof9G%Me.IU4nxuxtRP", "focalPoint": [ -0.1, 0.94 ], "width": 791, "height": 826 }, { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/114/603/353/839/317/718/original/020ac95cf18d7e57.png", "name": "Client part", "blurhash": "UMDJL}%_Dju._3txR7vV4mRQxupH4oQ^tiKt", "focalPoint": [ -0.13, 0.9 ], "width": 793, "height": 825 }, { "type": "Document", "mediaType": "video/mp4", "url": "https://files.mastodon.social/media_attachments/files/114/603/358/251/251/364/original/097f2a4e7607d85f.mp4", "name": "Video demo", "blurhash": "UeIrNi%MogNG~ps,ocaeVroeade.%MofRjRj", "focalPoint": [ 0, 0 ], "width": 640, "height": 360 } ], "tag": [ { "type": "Mention", "href": "https://social.treehouse.systems/users/postmarketOS", "name": "@postmarketOS@treehouse.systems" }, { "type": "Mention", "href": "https://mastodon.social/users/vala_lang", "name": "@vala_lang" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/gnome", "name": "#gnome" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/shotononeplus", "name": "#shotononeplus" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/linuxonmobile", "name": "#linuxonmobile" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/mobilelinux", "name": "#mobilelinux" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/shotonmainline", "name": "#shotonmainline" } ], "replies": { "id": "https://mastodon.social/users/NekoCWD/statuses/114603375785616464/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/NekoCWD/statuses/114603375785616464/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/NekoCWD/statuses/114603375785616464/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/NekoCWD/statuses/114603375785616464/likes", "type": "Collection", "totalItems": 39 }, "shares": { "id": "https://mastodon.social/users/NekoCWD/statuses/114603375785616464/shares", "type": "Collection", "totalItems": 21 } }