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.
{
"@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"
}
],
"id": "https://ma.fellr.net/users/fell/statuses/114305288189612230",
"type": "Note",
"summary": null,
"inReplyTo": "https://ma.fellr.net/users/fell/statuses/114305267927110861",
"published": "2025-04-09T00:58:01Z",
"url": "https://ma.fellr.net/@fell/114305288189612230",
"attributedTo": "https://ma.fellr.net/users/fell",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://ma.fellr.net/users/fell/followers"
],
"sensitive": false,
"atomUri": "https://ma.fellr.net/users/fell/statuses/114305288189612230",
"inReplyToAtomUri": "https://ma.fellr.net/users/fell/statuses/114305267927110861",
"conversation": "tag:ma.fellr.net,2025-04-09:objectId=19966336:objectType=Conversation",
"content": "<p>What I measured was the time span between a voltage spike across the right click switch of a cheap USB optical mouse and a voltage spike observed by a PT334-6C photo transistor.</p><p>The mouse controller probes the click switches every 6 ms and has a polling rate of 8 ms.</p><p>On screen was Firefox with a black page scripted to turn white on the mouse down event, so some of the latency may be attributed to Firefox and JavaScript.</p><p>The measurement was taken at the bottom of a rather large 4K monitor.</p>",
"contentMap": {
"en": "<p>What I measured was the time span between a voltage spike across the right click switch of a cheap USB optical mouse and a voltage spike observed by a PT334-6C photo transistor.</p><p>The mouse controller probes the click switches every 6 ms and has a polling rate of 8 ms.</p><p>On screen was Firefox with a black page scripted to turn white on the mouse down event, so some of the latency may be attributed to Firefox and JavaScript.</p><p>The measurement was taken at the bottom of a rather large 4K monitor.</p>"
},
"updated": "2025-04-09T00:59:58Z",
"attachment": [],
"tag": [],
"replies": {
"id": "https://ma.fellr.net/users/fell/statuses/114305288189612230/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://ma.fellr.net/users/fell/statuses/114305288189612230/replies?only_other_accounts=true&page=true",
"partOf": "https://ma.fellr.net/users/fell/statuses/114305288189612230/replies",
"items": []
}
},
"likes": {
"id": "https://ma.fellr.net/users/fell/statuses/114305288189612230/likes",
"type": "Collection",
"totalItems": 0
},
"shares": {
"id": "https://ma.fellr.net/users/fell/statuses/114305288189612230/shares",
"type": "Collection",
"totalItems": 0
}
}