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",
"Hashtag": "as:Hashtag"
}
],
"id": "https://mastodon.gamedev.place/users/sos/statuses/114760701081651797",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-06-28T11:15:30Z",
"url": "https://mastodon.gamedev.place/@sos/114760701081651797",
"attributedTo": "https://mastodon.gamedev.place/users/sos",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.gamedev.place/users/sos/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.gamedev.place/users/sos/statuses/114760701081651797",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.gamedev.place,2025-06-28:objectId=157478981:objectType=Conversation",
"content": "<p>In standard C, without architecutre-dependent intrinsics, what is the most performant way of unpacking a 32-bit 8-bpp RGBA value into a 64-bit 16-bpp RGBA value? I need something that will CLEARLY compile into a SIMD instruction, but in standard C.</p><p><a href=\"https://mastodon.gamedev.place/tags/programming\" class=\"mention hashtag\" rel=\"tag\">#<span>programming</span></a> <a href=\"https://mastodon.gamedev.place/tags/cprogramming\" class=\"mention hashtag\" rel=\"tag\">#<span>cprogramming</span></a> <a href=\"https://mastodon.gamedev.place/tags/graphicsprogramming\" class=\"mention hashtag\" rel=\"tag\">#<span>graphicsprogramming</span></a> <a href=\"https://mastodon.gamedev.place/tags/gamedev\" class=\"mention hashtag\" rel=\"tag\">#<span>gamedev</span></a> <a href=\"https://mastodon.gamedev.place/tags/indiedev\" class=\"mention hashtag\" rel=\"tag\">#<span>indiedev</span></a></p>",
"contentMap": {
"en": "<p>In standard C, without architecutre-dependent intrinsics, what is the most performant way of unpacking a 32-bit 8-bpp RGBA value into a 64-bit 16-bpp RGBA value? I need something that will CLEARLY compile into a SIMD instruction, but in standard C.</p><p><a href=\"https://mastodon.gamedev.place/tags/programming\" class=\"mention hashtag\" rel=\"tag\">#<span>programming</span></a> <a href=\"https://mastodon.gamedev.place/tags/cprogramming\" class=\"mention hashtag\" rel=\"tag\">#<span>cprogramming</span></a> <a href=\"https://mastodon.gamedev.place/tags/graphicsprogramming\" class=\"mention hashtag\" rel=\"tag\">#<span>graphicsprogramming</span></a> <a href=\"https://mastodon.gamedev.place/tags/gamedev\" class=\"mention hashtag\" rel=\"tag\">#<span>gamedev</span></a> <a href=\"https://mastodon.gamedev.place/tags/indiedev\" class=\"mention hashtag\" rel=\"tag\">#<span>indiedev</span></a></p>"
},
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.gamedev.place/tags/programming",
"name": "#programming"
},
{
"type": "Hashtag",
"href": "https://mastodon.gamedev.place/tags/cprogramming",
"name": "#cprogramming"
},
{
"type": "Hashtag",
"href": "https://mastodon.gamedev.place/tags/graphicsprogramming",
"name": "#graphicsprogramming"
},
{
"type": "Hashtag",
"href": "https://mastodon.gamedev.place/tags/gamedev",
"name": "#gamedev"
},
{
"type": "Hashtag",
"href": "https://mastodon.gamedev.place/tags/indiedev",
"name": "#indiedev"
}
],
"replies": {
"id": "https://mastodon.gamedev.place/users/sos/statuses/114760701081651797/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.gamedev.place/users/sos/statuses/114760701081651797/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.gamedev.place/users/sos/statuses/114760701081651797/replies",
"items": []
}
},
"likes": {
"id": "https://mastodon.gamedev.place/users/sos/statuses/114760701081651797/likes",
"type": "Collection",
"totalItems": 3
},
"shares": {
"id": "https://mastodon.gamedev.place/users/sos/statuses/114760701081651797/shares",
"type": "Collection",
"totalItems": 7
}
}