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://mastodon.social/users/febos/statuses/114387074428296417", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-23T11:37:20Z", "url": "https://mastodon.social/@febos/114387074428296417", "attributedTo": "https://mastodon.social/users/febos", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/febos/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/febos/statuses/114387074428296417", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-04-23:objectId=979349900:objectType=Conversation", "content": "<p>Couldn’t wait to share - SQUARNA 2.0 is here, with greatly improved performance in single-sequence RNA secondary structure prediction!</p><p><a href=\"https://github.com/febos/SQUARNA\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">github.com/febos/SQUARNA</span><span class=\"invisible\"></span></a></p><p>Updated preprint is coming soon :)</p><p><a href=\"https://mastodon.social/tags/SQUARNA\" class=\"mention hashtag\" rel=\"tag\">#<span>SQUARNA</span></a> <a href=\"https://mastodon.social/tags/RNA\" class=\"mention hashtag\" rel=\"tag\">#<span>RNA</span></a> <a href=\"https://mastodon.social/tags/2D\" class=\"mention hashtag\" rel=\"tag\">#<span>2D</span></a> <a href=\"https://mastodon.social/tags/Structure\" class=\"mention hashtag\" rel=\"tag\">#<span>Structure</span></a> <a href=\"https://mastodon.social/tags/Prediction\" class=\"mention hashtag\" rel=\"tag\">#<span>Prediction</span></a> <a href=\"https://mastodon.social/tags/Bioinformatics\" class=\"mention hashtag\" rel=\"tag\">#<span>Bioinformatics</span></a> <a href=\"https://mastodon.social/tags/Research\" class=\"mention hashtag\" rel=\"tag\">#<span>Research</span></a> <a href=\"https://mastodon.social/tags/Pseudoknot\" class=\"mention hashtag\" rel=\"tag\">#<span>Pseudoknot</span></a></p>", "contentMap": { "en": "<p>Couldn’t wait to share - SQUARNA 2.0 is here, with greatly improved performance in single-sequence RNA secondary structure prediction!</p><p><a href=\"https://github.com/febos/SQUARNA\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">github.com/febos/SQUARNA</span><span class=\"invisible\"></span></a></p><p>Updated preprint is coming soon :)</p><p><a href=\"https://mastodon.social/tags/SQUARNA\" class=\"mention hashtag\" rel=\"tag\">#<span>SQUARNA</span></a> <a href=\"https://mastodon.social/tags/RNA\" class=\"mention hashtag\" rel=\"tag\">#<span>RNA</span></a> <a href=\"https://mastodon.social/tags/2D\" class=\"mention hashtag\" rel=\"tag\">#<span>2D</span></a> <a href=\"https://mastodon.social/tags/Structure\" class=\"mention hashtag\" rel=\"tag\">#<span>Structure</span></a> <a href=\"https://mastodon.social/tags/Prediction\" class=\"mention hashtag\" rel=\"tag\">#<span>Prediction</span></a> <a href=\"https://mastodon.social/tags/Bioinformatics\" class=\"mention hashtag\" rel=\"tag\">#<span>Bioinformatics</span></a> <a href=\"https://mastodon.social/tags/Research\" class=\"mention hashtag\" rel=\"tag\">#<span>Research</span></a> <a href=\"https://mastodon.social/tags/Pseudoknot\" class=\"mention hashtag\" rel=\"tag\">#<span>Pseudoknot</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/114/387/073/898/254/631/original/6f82c4c7107dc096.png", "name": null, "blurhash": "ULQvwR~q-;ofRjt7ayay%MWBWBj[WBofj[fQ", "width": 1600, "height": 2000 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/squarna", "name": "#squarna" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/rna", "name": "#rna" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/2d", "name": "#2d" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/structure", "name": "#structure" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/prediction", "name": "#prediction" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/bioinformatics", "name": "#bioinformatics" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/research", "name": "#research" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/pseudoknot", "name": "#pseudoknot" } ], "replies": { "id": "https://mastodon.social/users/febos/statuses/114387074428296417/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/febos/statuses/114387074428296417/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/febos/statuses/114387074428296417/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/febos/statuses/114387074428296417/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.social/users/febos/statuses/114387074428296417/shares", "type": "Collection", "totalItems": 0 } }