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/dec_hl/statuses/114359657757068918", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-18T15:24:54Z", "url": "https://mastodon.social/@dec_hl/114359657757068918", "attributedTo": "https://mastodon.social/users/dec_hl", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/dec_hl/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/dec_hl/statuses/114359657757068918", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-04-18:objectId=975540405:objectType=Conversation", "content": "<p>I pushed an update to <a href=\"https://mastodon.social/tags/DOStodon\" class=\"mention hashtag\" rel=\"tag\">#<span>DOStodon</span></a> (the <a href=\"https://mastodon.social/tags/Mastodon\" class=\"mention hashtag\" rel=\"tag\">#<span>Mastodon</span></a> client for MS-DOS):</p><p>- Updated <a href=\"https://mastodon.social/tags/curl\" class=\"mention hashtag\" rel=\"tag\">#<span>curl</span></a> to 8.13.0<br />- Updated <a href=\"https://mastodon.social/tags/mbedTLS\" class=\"mention hashtag\" rel=\"tag\">#<span>mbedTLS</span></a> to 3.6.3<br />- Fixed <a href=\"https://mastodon.social/tags/win32\" class=\"mention hashtag\" rel=\"tag\">#<span>win32</span></a> version (works on <a href=\"https://mastodon.social/tags/WinXP\" class=\"mention hashtag\" rel=\"tag\">#<span>WinXP</span></a> or newer), DLLs were missing</p><p>Grab it at <a href=\"https://github.com/SuperIlu/DOStodon\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">github.com/SuperIlu/DOStodon</span><span class=\"invisible\"></span></a></p><p>Screenshot is showing the win32 version running on Win10.</p><p><a href=\"https://mastodon.social/tags/Javascript\" class=\"mention hashtag\" rel=\"tag\">#<span>Javascript</span></a> <a href=\"https://mastodon.social/tags/RetroComputing\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroComputing</span></a> <a href=\"https://mastodon.social/tags/MSDOS\" class=\"mention hashtag\" rel=\"tag\">#<span>MSDOS</span></a> <a href=\"https://mastodon.social/tags/CreativeCoding\" class=\"mention hashtag\" rel=\"tag\">#<span>CreativeCoding</span></a> <a href=\"https://mastodon.social/tags/MastodonClient\" class=\"mention hashtag\" rel=\"tag\">#<span>MastodonClient</span></a> <a href=\"https://mastodon.social/tags/FreeDOS\" class=\"mention hashtag\" rel=\"tag\">#<span>FreeDOS</span></a> <a href=\"https://mastodon.social/tags/DJGPP\" class=\"mention hashtag\" rel=\"tag\">#<span>DJGPP</span></a> <a href=\"https://mastodon.social/tags/DOjS\" class=\"mention hashtag\" rel=\"tag\">#<span>DOjS</span></a></p>", "contentMap": { "en": "<p>I pushed an update to <a href=\"https://mastodon.social/tags/DOStodon\" class=\"mention hashtag\" rel=\"tag\">#<span>DOStodon</span></a> (the <a href=\"https://mastodon.social/tags/Mastodon\" class=\"mention hashtag\" rel=\"tag\">#<span>Mastodon</span></a> client for MS-DOS):</p><p>- Updated <a href=\"https://mastodon.social/tags/curl\" class=\"mention hashtag\" rel=\"tag\">#<span>curl</span></a> to 8.13.0<br />- Updated <a href=\"https://mastodon.social/tags/mbedTLS\" class=\"mention hashtag\" rel=\"tag\">#<span>mbedTLS</span></a> to 3.6.3<br />- Fixed <a href=\"https://mastodon.social/tags/win32\" class=\"mention hashtag\" rel=\"tag\">#<span>win32</span></a> version (works on <a href=\"https://mastodon.social/tags/WinXP\" class=\"mention hashtag\" rel=\"tag\">#<span>WinXP</span></a> or newer), DLLs were missing</p><p>Grab it at <a href=\"https://github.com/SuperIlu/DOStodon\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">github.com/SuperIlu/DOStodon</span><span class=\"invisible\"></span></a></p><p>Screenshot is showing the win32 version running on Win10.</p><p><a href=\"https://mastodon.social/tags/Javascript\" class=\"mention hashtag\" rel=\"tag\">#<span>Javascript</span></a> <a href=\"https://mastodon.social/tags/RetroComputing\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroComputing</span></a> <a href=\"https://mastodon.social/tags/MSDOS\" class=\"mention hashtag\" rel=\"tag\">#<span>MSDOS</span></a> <a href=\"https://mastodon.social/tags/CreativeCoding\" class=\"mention hashtag\" rel=\"tag\">#<span>CreativeCoding</span></a> <a href=\"https://mastodon.social/tags/MastodonClient\" class=\"mention hashtag\" rel=\"tag\">#<span>MastodonClient</span></a> <a href=\"https://mastodon.social/tags/FreeDOS\" class=\"mention hashtag\" rel=\"tag\">#<span>FreeDOS</span></a> <a href=\"https://mastodon.social/tags/DJGPP\" class=\"mention hashtag\" rel=\"tag\">#<span>DJGPP</span></a> <a href=\"https://mastodon.social/tags/DOjS\" class=\"mention hashtag\" rel=\"tag\">#<span>DOjS</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/114/359/653/470/122/627/original/a53b4e49b0760af6.png", "name": "PowerShell window showing debug output with DOStodon on top", "blurhash": "UD8}JnN#tTNF~qRjRjt7?cjXacog-;t7ofWB", "focalPoint": [ 0, 0 ], "width": 1478, "height": 1059 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/dostodon", "name": "#dostodon" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/mastodon", "name": "#mastodon" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/curl", "name": "#curl" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/mbedtls", "name": "#mbedtls" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/win32", "name": "#win32" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/winxp", "name": "#winxp" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/javascript", "name": "#javascript" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/retrocomputing", "name": "#retrocomputing" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/msdos", "name": "#msdos" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/creativecoding", "name": "#creativecoding" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/mastodonclient", "name": "#mastodonclient" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/freedos", "name": "#freedos" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/djgpp", "name": "#djgpp" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/DOjS", "name": "#DOjS" } ], "replies": { "id": "https://mastodon.social/users/dec_hl/statuses/114359657757068918/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/dec_hl/statuses/114359657757068918/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/dec_hl/statuses/114359657757068918/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/dec_hl/statuses/114359657757068918/likes", "type": "Collection", "totalItems": 50 }, "shares": { "id": "https://mastodon.social/users/dec_hl/statuses/114359657757068918/shares", "type": "Collection", "totalItems": 32 } }