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.

Open in browser →
{ "@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://masto.ai/users/hackaday/statuses/114561106787364268", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-24T05:16:03Z", "url": "https://masto.ai/@hackaday/114561106787364268", "attributedTo": "https://masto.ai/users/hackaday", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://masto.ai/users/hackaday/followers" ], "sensitive": false, "atomUri": "https://masto.ai/users/hackaday/statuses/114561106787364268", "inReplyToAtomUri": null, "conversation": "tag:masto.ai,2025-05-24:objectId=265420967:objectType=Conversation", "content": "<p>TeensyROM NFC Game Loading on the C64</p><p>When retro computing nostalgia meets modern wireless wizardry, you get a near-magical tap-to-load experience. It’ll turn your Commodore 64 into a console-like system, complete with physical game cards. Inspired by …read more<br /><a href=\"https://masto.ai/tags/hacking\" class=\"mention hashtag\" rel=\"tag\">#<span>hacking</span></a> <a href=\"https://masto.ai/tags/projects\" class=\"mention hashtag\" rel=\"tag\">#<span>projects</span></a><br /><a href=\"https://hackaday.com/2025/05/23/teensyrom-nfc-game-loading-on-the-c64/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">hackaday.com/2025/05/23/teensy</span><span class=\"invisible\">rom-nfc-game-loading-on-the-c64/</span></a></p>", "contentMap": { "en": "<p>TeensyROM NFC Game Loading on the C64</p><p>When retro computing nostalgia meets modern wireless wizardry, you get a near-magical tap-to-load experience. It’ll turn your Commodore 64 into a console-like system, complete with physical game cards. Inspired by …read more<br /><a href=\"https://masto.ai/tags/hacking\" class=\"mention hashtag\" rel=\"tag\">#<span>hacking</span></a> <a href=\"https://masto.ai/tags/projects\" class=\"mention hashtag\" rel=\"tag\">#<span>projects</span></a><br /><a href=\"https://hackaday.com/2025/05/23/teensyrom-nfc-game-loading-on-the-c64/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">hackaday.com/2025/05/23/teensy</span><span class=\"invisible\">rom-nfc-game-loading-on-the-c64/</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://s3.masto.ai/media_attachments/files/114/561/106/762/227/053/original/d2ee7e849c8fb33c.jpg", "name": null, "blurhash": "UGBDNZ-=D~ax^nxaD}M_-rxuM_Rj%Mt8SeR*", "width": 800, "height": 450 } ], "tag": [ { "type": "Hashtag", "href": "https://masto.ai/tags/hacking", "name": "#hacking" }, { "type": "Hashtag", "href": "https://masto.ai/tags/projects", "name": "#projects" } ], "replies": { "id": "https://masto.ai/users/hackaday/statuses/114561106787364268/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://masto.ai/users/hackaday/statuses/114561106787364268/replies?only_other_accounts=true&page=true", "partOf": "https://masto.ai/users/hackaday/statuses/114561106787364268/replies", "items": [] } }, "likes": { "id": "https://masto.ai/users/hackaday/statuses/114561106787364268/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://masto.ai/users/hackaday/statuses/114561106787364268/shares", "type": "Collection", "totalItems": 0 } }