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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://chaos.social/users/scy/statuses/114639179397329027", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-07T00:10:56Z", "url": "https://chaos.social/@scy/114639179397329027", "attributedTo": "https://chaos.social/users/scy", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://chaos.social/users/scy/followers" ], "sensitive": false, "atomUri": "https://chaos.social/users/scy/statuses/114639179397329027", "inReplyToAtomUri": null, "conversation": "tag:chaos.social,2025-06-07:objectId=276883690:objectType=Conversation", "content": "<p>me: manually editing YAML front matter sucks</p><p>also me: *spends a day writing a CLI tool for common tasks*</p><p>(Not released yet, I have a few small features I&#39;d like to implement first.)</p><p>Edit: It&#39;s now available for testing via Git:</p><p><a href=\"https://codeberg.org/scy/felloff\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">codeberg.org/scy/felloff</span><span class=\"invisible\"></span></a></p><p><a href=\"https://chaos.social/tags/YAML\" class=\"mention hashtag\" rel=\"tag\">#<span>YAML</span></a> <a href=\"https://chaos.social/tags/FrontMatter\" class=\"mention hashtag\" rel=\"tag\">#<span>FrontMatter</span></a> <a href=\"https://chaos.social/tags/Python\" class=\"mention hashtag\" rel=\"tag\">#<span>Python</span></a> <a href=\"https://chaos.social/tags/CLI\" class=\"mention hashtag\" rel=\"tag\">#<span>CLI</span></a> <a href=\"https://chaos.social/tags/SSG\" class=\"mention hashtag\" rel=\"tag\">#<span>SSG</span></a></p>", "contentMap": { "en": "<p>me: manually editing YAML front matter sucks</p><p>also me: *spends a day writing a CLI tool for common tasks*</p><p>(Not released yet, I have a few small features I&#39;d like to implement first.)</p><p>Edit: It&#39;s now available for testing via Git:</p><p><a href=\"https://codeberg.org/scy/felloff\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">codeberg.org/scy/felloff</span><span class=\"invisible\"></span></a></p><p><a href=\"https://chaos.social/tags/YAML\" class=\"mention hashtag\" rel=\"tag\">#<span>YAML</span></a> <a href=\"https://chaos.social/tags/FrontMatter\" class=\"mention hashtag\" rel=\"tag\">#<span>FrontMatter</span></a> <a href=\"https://chaos.social/tags/Python\" class=\"mention hashtag\" rel=\"tag\">#<span>Python</span></a> <a href=\"https://chaos.social/tags/CLI\" class=\"mention hashtag\" rel=\"tag\">#<span>CLI</span></a> <a href=\"https://chaos.social/tags/SSG\" class=\"mention hashtag\" rel=\"tag\">#<span>SSG</span></a></p>" }, "updated": "2025-06-07T16:30:59Z", "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://assets.chaos.social/media_attachments/files/114/639/164/029/864/835/original/9dc753c11a435710.png", "name": "Terminal screenshot, invoking \"batcat -pl yaml tests/yaml.md\". The result is the following Markdown document with YAML front matter:\n\n---\ntitle: Example doc # This comment will be preserved.\ncreated: 2025-06-06\ntags: [test, example]\n---\nThis document will be used for **testing**.\n\nNext, I'm invoking a command to change some values: \"felloff set tests/yaml.md author scy title 'Changed title' --time modified now --append tags foo bar | batcat -pl yaml\". The result is:\n\n---\ntitle: Changed title # This comment will be preserved.\ncreated: 2025-06-06\ntags: [test, example, foo, bar]\nauthor: scy\nmodified: 2025-06-07 02:04:41.487260+02:00\n---\nThis document will be used for **testing**.", "blurhash": "U57KuD~B-Vxsb@o1n,oywMxZofkBVyainioJ", "focalPoint": [ 0, 0 ], "width": 1080, "height": 662 } ], "tag": [ { "type": "Hashtag", "href": "https://chaos.social/tags/yaml", "name": "#yaml" }, { "type": "Hashtag", "href": "https://chaos.social/tags/frontmatter", "name": "#frontmatter" }, { "type": "Hashtag", "href": "https://chaos.social/tags/python", "name": "#python" }, { "type": "Hashtag", "href": "https://chaos.social/tags/cli", "name": "#cli" }, { "type": "Hashtag", "href": "https://chaos.social/tags/ssg", "name": "#ssg" } ], "replies": { "id": "https://chaos.social/users/scy/statuses/114639179397329027/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://chaos.social/users/scy/statuses/114639179397329027/replies?min_id=114642209598335749&page=true", "partOf": "https://chaos.social/users/scy/statuses/114639179397329027/replies", "items": [ "https://chaos.social/users/scy/statuses/114642209598335749" ] } }, "likes": { "id": "https://chaos.social/users/scy/statuses/114639179397329027/likes", "type": "Collection", "totalItems": 12 }, "shares": { "id": "https://chaos.social/users/scy/statuses/114639179397329027/shares", "type": "Collection", "totalItems": 2 } }