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/114499112877854321", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-13T06:30:11Z", "url": "https://mas.to/@frontenddogma/114499112877854321", "attributedTo": "https://mas.to/users/frontenddogma", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mas.to/users/frontenddogma/followers", "https://front-end.social/users/webkit", "https://front-end.social/users/jensimmons" ], "sensitive": false, "atomUri": "https://mas.to/users/frontenddogma/statuses/114499112877854321", "inReplyToAtomUri": null, "conversation": "tag:mas.to,2025-05-13:objectId=491348850:objectType=Conversation", "content": "<p>Easier Layout With “margin-trim”, by <span class=\"h-card\" translate=\"no\"><a href=\"https://front-end.social/@jensimmons\" class=\"u-url mention\">@<span>jensimmons</span></a></span> (<span class=\"h-card\" translate=\"no\"><a href=\"https://front-end.social/@webkit\" class=\"u-url mention\">@<span>webkit</span></a></span>):</p><p><a href=\"https://webkit.org/blog/16854/margin-trim/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">webkit.org/blog/16854/margin-t</span><span class=\"invisible\">rim/</span></a></p><p><a href=\"https://mas.to/tags/css\" class=\"mention hashtag\" rel=\"tag\">#<span>css</span></a> <a href=\"https://mas.to/tags/margins\" class=\"mention hashtag\" rel=\"tag\">#<span>margins</span></a> <a href=\"https://mas.to/tags/spacing\" class=\"mention hashtag\" rel=\"tag\">#<span>spacing</span></a> <a href=\"https://mas.to/tags/safari\" class=\"mention hashtag\" rel=\"tag\">#<span>safari</span></a> <a href=\"https://mas.to/tags/apple\" class=\"mention hashtag\" rel=\"tag\">#<span>apple</span></a> <a href=\"https://mas.to/tags/browsers\" class=\"mention hashtag\" rel=\"tag\">#<span>browsers</span></a></p>", "contentMap": { "en": "<p>Easier Layout With “margin-trim”, by <span class=\"h-card\" translate=\"no\"><a href=\"https://front-end.social/@jensimmons\" class=\"u-url mention\">@<span>jensimmons</span></a></span> (<span class=\"h-card\" translate=\"no\"><a href=\"https://front-end.social/@webkit\" class=\"u-url mention\">@<span>webkit</span></a></span>):</p><p><a href=\"https://webkit.org/blog/16854/margin-trim/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">webkit.org/blog/16854/margin-t</span><span class=\"invisible\">rim/</span></a></p><p><a href=\"https://mas.to/tags/css\" class=\"mention hashtag\" rel=\"tag\">#<span>css</span></a> <a href=\"https://mas.to/tags/margins\" class=\"mention hashtag\" rel=\"tag\">#<span>margins</span></a> <a href=\"https://mas.to/tags/spacing\" class=\"mention hashtag\" rel=\"tag\">#<span>spacing</span></a> <a href=\"https://mas.to/tags/safari\" class=\"mention hashtag\" rel=\"tag\">#<span>safari</span></a> <a href=\"https://mas.to/tags/apple\" class=\"mention hashtag\" rel=\"tag\">#<span>apple</span></a> <a href=\"https://mas.to/tags/browsers\" class=\"mention hashtag\" rel=\"tag\">#<span>browsers</span></a></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://front-end.social/users/jensimmons", "name": "@jensimmons@front-end.social" }, { "type": "Mention", "href": "https://front-end.social/users/webkit", "name": "@webkit@front-end.social" }, { "type": "Hashtag", "href": "https://mas.to/tags/browsers", "name": "#browsers" }, { "type": "Hashtag", "href": "https://mas.to/tags/apple", "name": "#apple" }, { "type": "Hashtag", "href": "https://mas.to/tags/safari", "name": "#safari" }, { "type": "Hashtag", "href": "https://mas.to/tags/spacing", "name": "#spacing" }, { "type": "Hashtag", "href": "https://mas.to/tags/margins", "name": "#margins" }, { "type": "Hashtag", "href": "https://mas.to/tags/css", "name": "#css" } ], "replies": { "id": "https://mas.to/users/frontenddogma/statuses/114499112877854321/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mas.to/users/frontenddogma/statuses/114499112877854321/replies?only_other_accounts=true&page=true", "partOf": "https://mas.to/users/frontenddogma/statuses/114499112877854321/replies", "items": [] } }, "likes": { "id": "https://mas.to/users/frontenddogma/statuses/114499112877854321/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mas.to/users/frontenddogma/statuses/114499112877854321/shares", "type": "Collection", "totalItems": 0 } }