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://social.heise.de/users/heiseonlineenglish/statuses/114796521092009347", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-07-04T19:05:00Z", "url": "https://social.heise.de/@heiseonlineenglish/114796521092009347", "attributedTo": "https://social.heise.de/users/heiseonlineenglish", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://social.heise.de/users/heiseonlineenglish/followers" ], "sensitive": false, "atomUri": "https://social.heise.de/users/heiseonlineenglish/statuses/114796521092009347", "inReplyToAtomUri": null, "conversation": "tag:social.heise.de,2025-07-04:objectId=12261486:objectType=Conversation", "content": "<p>&quot;FoxyWallet&quot;: More than 40 malicious Firefox add-ons discovered</p><p>IT security researchers have discovered a large-scale campaign with malicious Firefox add-ons. They empty crypto wallets.</p><p><a href=\"https://www.heise.de/en/news/FoxyWallet-More-than-40-malicious-Firefox-add-ons-discovered-10474853.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&amp;utm_source=mastodon\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">heise.de/en/news/FoxyWallet-Mo</span><span class=\"invisible\">re-than-40-malicious-Firefox-add-ons-discovered-10474853.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&amp;utm_source=mastodon</span></a></p><p><a href=\"https://social.heise.de/tags/Firefox\" class=\"mention hashtag\" rel=\"tag\">#<span>Firefox</span></a> <a href=\"https://social.heise.de/tags/IT\" class=\"mention hashtag\" rel=\"tag\">#<span>IT</span></a> <a href=\"https://social.heise.de/tags/Kryptow%C3%A4hrung\" class=\"mention hashtag\" rel=\"tag\">#<span>Kryptowährung</span></a> <a href=\"https://social.heise.de/tags/Malware\" class=\"mention hashtag\" rel=\"tag\">#<span>Malware</span></a> <a href=\"https://social.heise.de/tags/Security\" class=\"mention hashtag\" rel=\"tag\">#<span>Security</span></a> <a href=\"https://social.heise.de/tags/Browser\" class=\"mention hashtag\" rel=\"tag\">#<span>Browser</span></a> <a href=\"https://social.heise.de/tags/news\" class=\"mention hashtag\" rel=\"tag\">#<span>news</span></a></p>", "contentMap": { "de": "<p>&quot;FoxyWallet&quot;: More than 40 malicious Firefox add-ons discovered</p><p>IT security researchers have discovered a large-scale campaign with malicious Firefox add-ons. They empty crypto wallets.</p><p><a href=\"https://www.heise.de/en/news/FoxyWallet-More-than-40-malicious-Firefox-add-ons-discovered-10474853.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&amp;utm_source=mastodon\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">heise.de/en/news/FoxyWallet-Mo</span><span class=\"invisible\">re-than-40-malicious-Firefox-add-ons-discovered-10474853.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&amp;utm_source=mastodon</span></a></p><p><a href=\"https://social.heise.de/tags/Firefox\" class=\"mention hashtag\" rel=\"tag\">#<span>Firefox</span></a> <a href=\"https://social.heise.de/tags/IT\" class=\"mention hashtag\" rel=\"tag\">#<span>IT</span></a> <a href=\"https://social.heise.de/tags/Kryptow%C3%A4hrung\" class=\"mention hashtag\" rel=\"tag\">#<span>Kryptowährung</span></a> <a href=\"https://social.heise.de/tags/Malware\" class=\"mention hashtag\" rel=\"tag\">#<span>Malware</span></a> <a href=\"https://social.heise.de/tags/Security\" class=\"mention hashtag\" rel=\"tag\">#<span>Security</span></a> <a href=\"https://social.heise.de/tags/Browser\" class=\"mention hashtag\" rel=\"tag\">#<span>Browser</span></a> <a href=\"https://social.heise.de/tags/news\" class=\"mention hashtag\" rel=\"tag\">#<span>news</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://social.heise.de/tags/firefox", "name": "#firefox" }, { "type": "Hashtag", "href": "https://social.heise.de/tags/it", "name": "#it" }, { "type": "Hashtag", "href": "https://social.heise.de/tags/kryptowahrung", "name": "#kryptowahrung" }, { "type": "Hashtag", "href": "https://social.heise.de/tags/malware", "name": "#malware" }, { "type": "Hashtag", "href": "https://social.heise.de/tags/security", "name": "#security" }, { "type": "Hashtag", "href": "https://social.heise.de/tags/browser", "name": "#browser" }, { "type": "Hashtag", "href": "https://social.heise.de/tags/news", "name": "#news" } ], "replies": { "id": "https://social.heise.de/users/heiseonlineenglish/statuses/114796521092009347/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://social.heise.de/users/heiseonlineenglish/statuses/114796521092009347/replies?only_other_accounts=true&page=true", "partOf": "https://social.heise.de/users/heiseonlineenglish/statuses/114796521092009347/replies", "items": [] } }, "likes": { "id": "https://social.heise.de/users/heiseonlineenglish/statuses/114796521092009347/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://social.heise.de/users/heiseonlineenglish/statuses/114796521092009347/shares", "type": "Collection", "totalItems": 1 } }