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",
"blurhash": "toot:blurhash",
"focalPoint": {
"@container": "@list",
"@id": "toot:focalPoint"
},
"Hashtag": "as:Hashtag"
}
],
"id": "https://mastodon.social/users/anatudor/statuses/114261599473975952",
"type": "Note",
"summary": null,
"inReplyTo": "https://mastodon.social/users/anatudor/statuses/114261505184364661",
"published": "2025-04-01T07:47:24Z",
"url": "https://mastodon.social/@anatudor/114261599473975952",
"attributedTo": "https://mastodon.social/users/anatudor",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
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],
"sensitive": false,
"atomUri": "https://mastodon.social/users/anatudor/statuses/114261599473975952",
"inReplyToAtomUri": "https://mastodon.social/users/anatudor/statuses/114261505184364661",
"conversation": "tag:mastodon.social,2024-05-29:objectId=717883329:objectType=Conversation",
"content": "<p>To fix this, we give the assembly a tiny blur.</p><p>We don't want blurry edges👇 either, so we push some of the semitransparent edge pixels to either 0 or 1, whichever is closer. To do so, we use another `feComponentTransfer` and map the [0, 1] alpha interval to [-2, 3]. Basically we're stretching the alpha interval to be 5 times bigger, keeping same midpoint (.5), then it's clamped to [0, 1].</p><p><a href=\"https://mastodon.social/tags/SVG\" class=\"mention hashtag\" rel=\"tag\">#<span>SVG</span></a> <a href=\"https://mastodon.social/tags/filter\" class=\"mention hashtag\" rel=\"tag\">#<span>filter</span></a> <a href=\"https://mastodon.social/tags/CSS\" class=\"mention hashtag\" rel=\"tag\">#<span>CSS</span></a> <a href=\"https://mastodon.social/tags/cssFilter\" class=\"mention hashtag\" rel=\"tag\">#<span>cssFilter</span></a> <a href=\"https://mastodon.social/tags/cssBlur\" class=\"mention hashtag\" rel=\"tag\">#<span>cssBlur</span></a> <a href=\"https://mastodon.social/tags/coding\" class=\"mention hashtag\" rel=\"tag\">#<span>coding</span></a> <a href=\"https://mastodon.social/tags/web\" class=\"mention hashtag\" rel=\"tag\">#<span>web</span></a> <a href=\"https://mastodon.social/tags/dev\" class=\"mention hashtag\" rel=\"tag\">#<span>dev</span></a> <a href=\"https://mastodon.social/tags/webDev\" class=\"mention hashtag\" rel=\"tag\">#<span>webDev</span></a> <a href=\"https://mastodon.social/tags/webDevelopment\" class=\"mention hashtag\" rel=\"tag\">#<span>webDevelopment</span></a> <a href=\"https://mastodon.social/tags/code\" class=\"mention hashtag\" rel=\"tag\">#<span>code</span></a> <a href=\"https://mastodon.social/tags/frontend\" class=\"mention hashtag\" rel=\"tag\">#<span>frontend</span></a> <a href=\"https://mastodon.social/tags/svgFilter\" class=\"mention hashtag\" rel=\"tag\">#<span>svgFilter</span></a></p>",
"contentMap": {
"en": "<p>To fix this, we give the assembly a tiny blur.</p><p>We don't want blurry edges👇 either, so we push some of the semitransparent edge pixels to either 0 or 1, whichever is closer. To do so, we use another `feComponentTransfer` and map the [0, 1] alpha interval to [-2, 3]. Basically we're stretching the alpha interval to be 5 times bigger, keeping same midpoint (.5), then it's clamped to [0, 1].</p><p><a href=\"https://mastodon.social/tags/SVG\" class=\"mention hashtag\" rel=\"tag\">#<span>SVG</span></a> <a href=\"https://mastodon.social/tags/filter\" class=\"mention hashtag\" rel=\"tag\">#<span>filter</span></a> <a href=\"https://mastodon.social/tags/CSS\" class=\"mention hashtag\" rel=\"tag\">#<span>CSS</span></a> <a href=\"https://mastodon.social/tags/cssFilter\" class=\"mention hashtag\" rel=\"tag\">#<span>cssFilter</span></a> <a href=\"https://mastodon.social/tags/cssBlur\" class=\"mention hashtag\" rel=\"tag\">#<span>cssBlur</span></a> <a href=\"https://mastodon.social/tags/coding\" class=\"mention hashtag\" rel=\"tag\">#<span>coding</span></a> <a href=\"https://mastodon.social/tags/web\" class=\"mention hashtag\" rel=\"tag\">#<span>web</span></a> <a href=\"https://mastodon.social/tags/dev\" class=\"mention hashtag\" rel=\"tag\">#<span>dev</span></a> <a href=\"https://mastodon.social/tags/webDev\" class=\"mention hashtag\" rel=\"tag\">#<span>webDev</span></a> <a href=\"https://mastodon.social/tags/webDevelopment\" class=\"mention hashtag\" rel=\"tag\">#<span>webDevelopment</span></a> <a href=\"https://mastodon.social/tags/code\" class=\"mention hashtag\" rel=\"tag\">#<span>code</span></a> <a href=\"https://mastodon.social/tags/frontend\" class=\"mention hashtag\" rel=\"tag\">#<span>frontend</span></a> <a href=\"https://mastodon.social/tags/svgFilter\" class=\"mention hashtag\" rel=\"tag\">#<span>svgFilter</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "video/mp4",
"url": "https://files.mastodon.social/media_attachments/files/114/261/565/139/829/831/original/b16fe448032736bd.mp4",
"name": "Recording of the gooey effect, but with slightly blurry edges.",
"blurhash": "UYGIZV4T9uNERPs:NGtQNHob%1Ros9RiozkD",
"focalPoint": [
0,
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],
"width": 756,
"height": 436
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/svg",
"name": "#svg"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/filter",
"name": "#filter"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/css",
"name": "#css"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/cssfilter",
"name": "#cssfilter"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/cssblur",
"name": "#cssblur"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/coding",
"name": "#coding"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/web",
"name": "#web"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/dev",
"name": "#dev"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/webdev",
"name": "#webdev"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/webdevelopment",
"name": "#webdevelopment"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/code",
"name": "#code"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/frontend",
"name": "#frontend"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/SVGFilter",
"name": "#SVGFilter"
}
],
"replies": {
"id": "https://mastodon.social/users/anatudor/statuses/114261599473975952/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/anatudor/statuses/114261599473975952/replies?min_id=114261639257971984&page=true",
"partOf": "https://mastodon.social/users/anatudor/statuses/114261599473975952/replies",
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}
},
"likes": {
"id": "https://mastodon.social/users/anatudor/statuses/114261599473975952/likes",
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"totalItems": 1
},
"shares": {
"id": "https://mastodon.social/users/anatudor/statuses/114261599473975952/shares",
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}
}