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", "https://w3id.org/security/v1", { "manuallyApprovesFollowers": "as:manuallyApprovesFollowers", "toot": "http://joinmastodon.org/ns#", "featured": { "@id": "toot:featured", "@type": "@id" }, "featuredTags": { "@id": "toot:featuredTags", "@type": "@id" }, "alsoKnownAs": { "@id": "as:alsoKnownAs", "@type": "@id" }, "movedTo": { "@id": "as:movedTo", "@type": "@id" }, "schema": "http://schema.org#", "PropertyValue": "schema:PropertyValue", "value": "schema:value", "discoverable": "toot:discoverable", "suspended": "toot:suspended", "memorial": "toot:memorial", "indexable": "toot:indexable", "attributionDomains": { "@id": "toot:attributionDomains", "@type": "@id" }, "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://mastodon.gamedev.place/users/jedimb", "type": "Person", "following": "https://mastodon.gamedev.place/users/jedimb/following", "followers": "https://mastodon.gamedev.place/users/jedimb/followers", "inbox": "https://mastodon.gamedev.place/users/jedimb/inbox", "outbox": "https://mastodon.gamedev.place/users/jedimb/outbox", "featured": "https://mastodon.gamedev.place/users/jedimb/collections/featured", "featuredTags": "https://mastodon.gamedev.place/users/jedimb/collections/tags", "preferredUsername": "jedimb", "name": "J M Berntson", "summary": "<p>Swedish 🇸🇪 coder who graduated as a .NET developer in May of 2024. Back on the job search grind since April 9, 2025. Planning to do some game projects in my free time eventually...</p>", "url": "https://mastodon.gamedev.place/@jedimb", "manuallyApprovesFollowers": false, "discoverable": true, "indexable": true, "published": "2023-01-08T00:00:00Z", "memorial": false, "alsoKnownAs": [ "https://mastodon.se/users/JediMB" ], "publicKey": { "id": "https://mastodon.gamedev.place/users/jedimb#main-key", "owner": "https://mastodon.gamedev.place/users/jedimb", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+29Nj/jqo4GDrQ0pGOjg\nHHbntIQUEpOPmvLVakp+g9iH3/PxtCJUiw+3QPMy6C47CbzDo3pcvTnKRHDqD9Ta\nByMuK2g5GU/i8fmtLDJMEBEfpttcMKiUDOfMtS2ftUGUYNxKqhCMjtUtDdTd3q3f\nfvlCLzsRnN88u2E3FxaArGwl8wHRythXrcNROUTq042pRkjzrqSu5tJ/DG2XymkO\nVJ5GfWTb/I1E0lmfP5UFRS2l2IZ4vAUL4VxDe0MuB54mvp1WJbZi8STR3uC57kfv\nKrurzyKSmqvia/eSIV4Z4bj6anvSylfqQvWw0by0IdpeXSkh+mVaZJav4lYOGnSR\nmwIDAQAB\n-----END PUBLIC KEY-----\n" }, "tag": [], "attachment": [ { "type": "PropertyValue", "name": "Pronouns", "value": "she/her, they/them" }, { "type": "PropertyValue", "name": "Playing 🎮", "value": "Demos + Metroid Prime 2 + SMB Wonder" }, { "type": "PropertyValue", "name": "Watching 📺", "value": "Snowpiercer" }, { "type": "PropertyValue", "name": "Learning 👩🏻‍🎓", "value": "PHP" } ], "endpoints": { "sharedInbox": "https://mastodon.gamedev.place/inbox" }, "icon": { "type": "Image", "mediaType": "image/png", "url": "https://cdn.masto.host/mastodongamedevplace/accounts/avatars/109/655/717/637/225/905/original/ea8c8f5ef235b9a7.png" }, "image": { "type": "Image", "mediaType": "image/png", "url": "https://cdn.masto.host/mastodongamedevplace/accounts/headers/109/655/717/637/225/905/original/4949a7fac85c2526.png" } }