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/java_discussions/statuses/114387508167544898", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-23T13:27:38Z", "url": "https://mastodon.social/@java_discussions/114387508167544898", "attributedTo": "https://mastodon.social/users/java_discussions", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/java_discussions/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/java_discussions/statuses/114387508167544898", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-04-23:objectId=979430805:objectType=Conversation", "content": "<p>CheerpJ 4.0: WebAssembly JVM for the browser, now with Java 11 and JNI support</p><p><a href=\"https://labs.leaningtech.com/blog/cheerpj-4.0\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">labs.leaningtech.com/blog/chee</span><span class=\"invisible\">rpj-4.0</span></a></p><p>Discussions: <a href=\"https://discu.eu/q/https://labs.leaningtech.com/blog/cheerpj-4.0\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">discu.eu/q/https://labs.leanin</span><span class=\"invisible\">gtech.com/blog/cheerpj-4.0</span></a></p><p><a href=\"https://mastodon.social/tags/java\" class=\"mention hashtag\" rel=\"tag\">#<span>java</span></a> <a href=\"https://mastodon.social/tags/jvm\" class=\"mention hashtag\" rel=\"tag\">#<span>jvm</span></a> <a href=\"https://mastodon.social/tags/programming\" class=\"mention hashtag\" rel=\"tag\">#<span>programming</span></a> <a href=\"https://mastodon.social/tags/webassembly\" class=\"mention hashtag\" rel=\"tag\">#<span>webassembly</span></a></p>", "contentMap": { "en": "<p>CheerpJ 4.0: WebAssembly JVM for the browser, now with Java 11 and JNI support</p><p><a href=\"https://labs.leaningtech.com/blog/cheerpj-4.0\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">labs.leaningtech.com/blog/chee</span><span class=\"invisible\">rpj-4.0</span></a></p><p>Discussions: <a href=\"https://discu.eu/q/https://labs.leaningtech.com/blog/cheerpj-4.0\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">discu.eu/q/https://labs.leanin</span><span class=\"invisible\">gtech.com/blog/cheerpj-4.0</span></a></p><p><a href=\"https://mastodon.social/tags/java\" class=\"mention hashtag\" rel=\"tag\">#<span>java</span></a> <a href=\"https://mastodon.social/tags/jvm\" class=\"mention hashtag\" rel=\"tag\">#<span>jvm</span></a> <a href=\"https://mastodon.social/tags/programming\" class=\"mention hashtag\" rel=\"tag\">#<span>programming</span></a> <a href=\"https://mastodon.social/tags/webassembly\" class=\"mention hashtag\" rel=\"tag\">#<span>webassembly</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/java", "name": "#java" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/jvm", "name": "#jvm" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/programming", "name": "#programming" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/webassembly", "name": "#webassembly" } ], "replies": { "id": "https://mastodon.social/users/java_discussions/statuses/114387508167544898/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/java_discussions/statuses/114387508167544898/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/java_discussions/statuses/114387508167544898/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/java_discussions/statuses/114387508167544898/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.social/users/java_discussions/statuses/114387508167544898/shares", "type": "Collection", "totalItems": 0 } }