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://mastodon.social/users/fread/statuses/114398645820282909", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-25T12:40:05Z", "url": "https://mastodon.social/@fread/114398645820282909", "attributedTo": "https://mastodon.social/users/fread", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/fread/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/fread/statuses/114398645820282909", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-04-25:objectId=981125490:objectType=Conversation", "content": "<p>Hello everyone, I am very happy to announce that after more than two years of development, <a href=\"https://mastodon.social/tags/Fread\" class=\"mention hashtag\" rel=\"tag\">#<span>Fread</span></a> has decided to open source. All the codes will be open. Welcome to check it out. <br />At present, the main technology stack of Fread is as follows: Kotlin Multiplatform, Compose Multiplatform, kotlin-inject, Voyager, Compose-imageloader, Jetpack Room, ktor.<a href=\"https://github.com/0xZhangKe/Fread#Mastodon\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/0xZhangKe/Fread#Mas</span><span class=\"invisible\">todon</span></a> <a href=\"https://mastodon.social/tags/Bluesky\" class=\"mention hashtag\" rel=\"tag\">#<span>Bluesky</span></a> <a href=\"https://mastodon.social/tags/rss\" class=\"mention hashtag\" rel=\"tag\">#<span>rss</span></a> <a href=\"https://mastodon.social/tags/activitypub\" class=\"mention hashtag\" rel=\"tag\">#<span>activitypub</span></a> <a href=\"https://mastodon.social/tags/fediverse\" class=\"mention hashtag\" rel=\"tag\">#<span>fediverse</span></a> <a href=\"https://mastodon.social/tags/FOSS\" class=\"mention hashtag\" rel=\"tag\">#<span>FOSS</span></a> <a href=\"https://mastodon.social/tags/Android\" class=\"mention hashtag\" rel=\"tag\">#<span>Android</span></a> <a href=\"https://mastodon.social/tags/Opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>Opensource</span></a> <a href=\"https://mastodon.social/tags/Freesoftware\" class=\"mention hashtag\" rel=\"tag\">#<span>Freesoftware</span></a></p>", "contentMap": { "en": "<p>Hello everyone, I am very happy to announce that after more than two years of development, <a href=\"https://mastodon.social/tags/Fread\" class=\"mention hashtag\" rel=\"tag\">#<span>Fread</span></a> has decided to open source. All the codes will be open. Welcome to check it out. <br />At present, the main technology stack of Fread is as follows: Kotlin Multiplatform, Compose Multiplatform, kotlin-inject, Voyager, Compose-imageloader, Jetpack Room, ktor.<a href=\"https://github.com/0xZhangKe/Fread#Mastodon\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/0xZhangKe/Fread#Mas</span><span class=\"invisible\">todon</span></a> <a href=\"https://mastodon.social/tags/Bluesky\" class=\"mention hashtag\" rel=\"tag\">#<span>Bluesky</span></a> <a href=\"https://mastodon.social/tags/rss\" class=\"mention hashtag\" rel=\"tag\">#<span>rss</span></a> <a href=\"https://mastodon.social/tags/activitypub\" class=\"mention hashtag\" rel=\"tag\">#<span>activitypub</span></a> <a href=\"https://mastodon.social/tags/fediverse\" class=\"mention hashtag\" rel=\"tag\">#<span>fediverse</span></a> <a href=\"https://mastodon.social/tags/FOSS\" class=\"mention hashtag\" rel=\"tag\">#<span>FOSS</span></a> <a href=\"https://mastodon.social/tags/Android\" class=\"mention hashtag\" rel=\"tag\">#<span>Android</span></a> <a href=\"https://mastodon.social/tags/Opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>Opensource</span></a> <a href=\"https://mastodon.social/tags/Freesoftware\" class=\"mention hashtag\" rel=\"tag\">#<span>Freesoftware</span></a></p>" }, "updated": "2025-04-26T03:26:46Z", "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/foss", "name": "#foss" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/android", "name": "#android" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/opensource", "name": "#opensource" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/freesoftware", "name": "#freesoftware" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/bluesky", "name": "#bluesky" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/rss", "name": "#rss" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/activitypub", "name": "#activitypub" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/fediverse", "name": "#fediverse" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/fread", "name": "#fread" } ], "replies": { "id": "https://mastodon.social/users/fread/statuses/114398645820282909/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/fread/statuses/114398645820282909/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/fread/statuses/114398645820282909/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/fread/statuses/114398645820282909/likes", "type": "Collection", "totalItems": 9 }, "shares": { "id": "https://mastodon.social/users/fread/statuses/114398645820282909/shares", "type": "Collection", "totalItems": 6 } }