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://mas.to/users/frontenddogma/statuses/114581630765810939", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-27T20:15:34Z", "url": "https://mas.to/@frontenddogma/114581630765810939", "attributedTo": "https://mas.to/users/frontenddogma", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mas.to/users/frontenddogma/followers", "https://hachyderm.io/users/TheNewStack" ], "sensitive": false, "atomUri": "https://mas.to/users/frontenddogma/statuses/114581630765810939", "inReplyToAtomUri": null, "conversation": "tag:mas.to,2025-05-27:objectId=497704793:objectType=Conversation", "content": "<p>The State of JavaScript Debugging in WebAssembly, by <span class=\"h-card\" translate=\"no\"><a href=\"https://hachyderm.io/@TheNewStack\" class=\"u-url mention\">@<span>TheNewStack</span></a></span>:</p><p><a href=\"https://thenewstack.io/the-state-of-javascript-debugging-in-webassembly/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">thenewstack.io/the-state-of-ja</span><span class=\"invisible\">vascript-debugging-in-webassembly/</span></a></p><p><a href=\"https://mas.to/tags/javascript\" class=\"mention hashtag\" rel=\"tag\">#<span>javascript</span></a> <a href=\"https://mas.to/tags/webassembly\" class=\"mention hashtag\" rel=\"tag\">#<span>webassembly</span></a> <a href=\"https://mas.to/tags/debugging\" class=\"mention hashtag\" rel=\"tag\">#<span>debugging</span></a></p>", "contentMap": { "en": "<p>The State of JavaScript Debugging in WebAssembly, by <span class=\"h-card\" translate=\"no\"><a href=\"https://hachyderm.io/@TheNewStack\" class=\"u-url mention\">@<span>TheNewStack</span></a></span>:</p><p><a href=\"https://thenewstack.io/the-state-of-javascript-debugging-in-webassembly/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">thenewstack.io/the-state-of-ja</span><span class=\"invisible\">vascript-debugging-in-webassembly/</span></a></p><p><a href=\"https://mas.to/tags/javascript\" class=\"mention hashtag\" rel=\"tag\">#<span>javascript</span></a> <a href=\"https://mas.to/tags/webassembly\" class=\"mention hashtag\" rel=\"tag\">#<span>webassembly</span></a> <a href=\"https://mas.to/tags/debugging\" class=\"mention hashtag\" rel=\"tag\">#<span>debugging</span></a></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://hachyderm.io/users/TheNewStack", "name": "@TheNewStack@hachyderm.io" }, { "type": "Hashtag", "href": "https://mas.to/tags/debugging", "name": "#debugging" }, { "type": "Hashtag", "href": "https://mas.to/tags/webassembly", "name": "#webassembly" }, { "type": "Hashtag", "href": "https://mas.to/tags/javascript", "name": "#javascript" } ], "replies": { "id": "https://mas.to/users/frontenddogma/statuses/114581630765810939/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mas.to/users/frontenddogma/statuses/114581630765810939/replies?only_other_accounts=true&page=true", "partOf": "https://mas.to/users/frontenddogma/statuses/114581630765810939/replies", "items": [] } }, "likes": { "id": "https://mas.to/users/frontenddogma/statuses/114581630765810939/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mas.to/users/frontenddogma/statuses/114581630765810939/shares", "type": "Collection", "totalItems": 0 } }