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", "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.social/users/darkghosthunter/statuses/114302910031253377", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-08T14:53:13Z", "url": "https://mastodon.social/@darkghosthunter/114302910031253377", "attributedTo": "https://mastodon.social/users/darkghosthunter", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/darkghosthunter/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/darkghosthunter/statuses/114302910031253377", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-04-08:objectId=967132935:objectType=Conversation", "content": "<p>Does you web app requires a 10MB JavaScript to work?</p><p>Not anymore!</p><p><a href=\"https://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/Compression_dictionary_transport\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">developer.mozilla.org/en-US/do</span><span class=\"invisible\">cs/Web/HTTP/Guides/Compression_dictionary_transport</span></a></p><p><a href=\"https://mastodon.social/tags/JavaScript\" class=\"mention hashtag\" rel=\"tag\">#<span>JavaScript</span></a> <a href=\"https://mastodon.social/tags/ECMAScript\" class=\"mention hashtag\" rel=\"tag\">#<span>ECMAScript</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> <a href=\"https://mastodon.social/tags/JS\" class=\"mention hashtag\" rel=\"tag\">#<span>JS</span></a> <a href=\"https://mastodon.social/tags/Programming\" class=\"mention hashtag\" rel=\"tag\">#<span>Programming</span></a> <a href=\"https://mastodon.social/tags/WebBrowsers\" class=\"mention hashtag\" rel=\"tag\">#<span>WebBrowsers</span></a> <a href=\"https://mastodon.social/tags/Browser\" class=\"mention hashtag\" rel=\"tag\">#<span>Browser</span></a> <a href=\"https://mastodon.social/tags/HTTP\" class=\"mention hashtag\" rel=\"tag\">#<span>HTTP</span></a></p>", "contentMap": { "en": "<p>Does you web app requires a 10MB JavaScript to work?</p><p>Not anymore!</p><p><a href=\"https://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/Compression_dictionary_transport\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">developer.mozilla.org/en-US/do</span><span class=\"invisible\">cs/Web/HTTP/Guides/Compression_dictionary_transport</span></a></p><p><a href=\"https://mastodon.social/tags/JavaScript\" class=\"mention hashtag\" rel=\"tag\">#<span>JavaScript</span></a> <a href=\"https://mastodon.social/tags/ECMAScript\" class=\"mention hashtag\" rel=\"tag\">#<span>ECMAScript</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> <a href=\"https://mastodon.social/tags/JS\" class=\"mention hashtag\" rel=\"tag\">#<span>JS</span></a> <a href=\"https://mastodon.social/tags/Programming\" class=\"mention hashtag\" rel=\"tag\">#<span>Programming</span></a> <a href=\"https://mastodon.social/tags/WebBrowsers\" class=\"mention hashtag\" rel=\"tag\">#<span>WebBrowsers</span></a> <a href=\"https://mastodon.social/tags/Browser\" class=\"mention hashtag\" rel=\"tag\">#<span>Browser</span></a> <a href=\"https://mastodon.social/tags/HTTP\" class=\"mention hashtag\" rel=\"tag\">#<span>HTTP</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/javascript", "name": "#javascript" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/ecmascript", "name": "#ecmascript" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/webdevelopment", "name": "#webdevelopment" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/webdev", "name": "#webdev" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/js", "name": "#js" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/programming", "name": "#programming" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/webbrowsers", "name": "#webbrowsers" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/browser", "name": "#browser" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/http", "name": "#http" } ], "replies": { "id": "https://mastodon.social/users/darkghosthunter/statuses/114302910031253377/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/darkghosthunter/statuses/114302910031253377/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/darkghosthunter/statuses/114302910031253377/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/darkghosthunter/statuses/114302910031253377/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.social/users/darkghosthunter/statuses/114302910031253377/shares", "type": "Collection", "totalItems": 2 } }