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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Could not load URL: request to https://media.mstdn.jp/accounts/headers/109/833/368/638/597/837/original/a1524dcab7d4dea5.jpeg failed, reason: Hostname/IP does not match certificate's altnames: Host: media.mstdn.jp. is not in the cert's altnames: DNS:*.pawoo.net, DNS:pawoo.net