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" ], "icon": { "type": "Image", "url": "https://piefed.social/static/images/piefed_logo_icon_t_75.png" }, "id": "https://piefed.social/", "inbox": "https://piefed.social/inbox", "name": "PieFed", "outbox": "https://piefed.social/site_outbox", "publicKey": { "id": "https://piefed.social/#main-key", "owner": "https://piefed.social/", "publicKeyPem": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArfTqECHGCj3TumTrS6Uf\n9QF2c3OIF2S0caLz2m6YIVr0R66GbAdSjOVLbFBcD2DoI+MmzLsFZ1IEHOg54pRv\n9oIVHl5IAZAc77wdWP9qwKqDc1dcnuarLFMHZTheVbdCzRv82ZICKqTZB/B6R8Y3\nfeypj7oua0l2ONdRKn/LQ/xj9k/qDa421YxSnwAojGV+vODRpxZUqMNWumF7tzID\n8Q58JrVO4pDK5YFfCDVwK5xFc32Mgy93s+AfduaB79d/CGyqP1ZLhW+pzAnosgYK\nQ2B42bEG7eyG3WxZFkqG7+vf2VRB4XulKWjPHUn2od0Fp5dcXVBmJ9sFsncUXYHe\nXQIDAQAB\n-----END PUBLIC KEY-----\n" }, "published": "2024-01-03T09:53:24.945511+00:00", "summary": "PieFed - Explore Anything, Discuss Everything.", "type": "Application", "updated": "2025-06-16T07:28:39.258210+00:00" }