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/114251422366187105",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-03-30T12:39:13Z",
"url": "https://mastodon.social/@anatudor/114251422366187105",
"attributedTo": "https://mastodon.social/users/anatudor",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.social/users/anatudor/followers",
"https://fosstodon.org/users/codepen"
],
"sensitive": false,
"atomUri": "https://mastodon.social/users/anatudor/statuses/114251422366187105",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.social,2025-03-30:objectId=959266199:objectType=Conversation",
"content": "<p>Want to give a responsive irregular shape depending on text content/ viewport rounded corners? Here's a super simple pure <a href=\"https://mastodon.social/tags/CSS\" class=\"mention hashtag\" rel=\"tag\">#<span>CSS</span></a> + <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> demo on <span class=\"h-card\" translate=\"no\"><a href=\"https://fosstodon.org/@codepen\" class=\"u-url mention\">@<span>codepen</span></a></span> doing it <a href=\"https://codepen.io/thebabydino/pen/KwKGrjR\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">codepen.io/thebabydino/pen/KwK</span><span class=\"invisible\">GrjR</span></a></p><p>Heavily commented. See also <a href=\"https://mastodon.social/@anatudor/114185324674119212\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">mastodon.social/@anatudor/1141</span><span class=\"invisible\">85324674119212</span></a> for details about some of the filter primitives.</p><p><a href=\"https://mastodon.social/tags/svgFilter\" class=\"mention hashtag\" rel=\"tag\">#<span>svgFilter</span></a> <a href=\"https://mastodon.social/tags/code\" class=\"mention hashtag\" rel=\"tag\">#<span>code</span></a> <a href=\"https://mastodon.social/tags/coding\" class=\"mention hashtag\" rel=\"tag\">#<span>coding</span></a> <a href=\"https://mastodon.social/tags/frontend\" class=\"mention hashtag\" rel=\"tag\">#<span>frontend</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/concave\" class=\"mention hashtag\" rel=\"tag\">#<span>concave</span></a></p>",
"contentMap": {
"en": "<p>Want to give a responsive irregular shape depending on text content/ viewport rounded corners? Here's a super simple pure <a href=\"https://mastodon.social/tags/CSS\" class=\"mention hashtag\" rel=\"tag\">#<span>CSS</span></a> + <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> demo on <span class=\"h-card\" translate=\"no\"><a href=\"https://fosstodon.org/@codepen\" class=\"u-url mention\">@<span>codepen</span></a></span> doing it <a href=\"https://codepen.io/thebabydino/pen/KwKGrjR\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">codepen.io/thebabydino/pen/KwK</span><span class=\"invisible\">GrjR</span></a></p><p>Heavily commented. See also <a href=\"https://mastodon.social/@anatudor/114185324674119212\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">mastodon.social/@anatudor/1141</span><span class=\"invisible\">85324674119212</span></a> for details about some of the filter primitives.</p><p><a href=\"https://mastodon.social/tags/svgFilter\" class=\"mention hashtag\" rel=\"tag\">#<span>svgFilter</span></a> <a href=\"https://mastodon.social/tags/code\" class=\"mention hashtag\" rel=\"tag\">#<span>code</span></a> <a href=\"https://mastodon.social/tags/coding\" class=\"mention hashtag\" rel=\"tag\">#<span>coding</span></a> <a href=\"https://mastodon.social/tags/frontend\" class=\"mention hashtag\" rel=\"tag\">#<span>frontend</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/concave\" class=\"mention hashtag\" rel=\"tag\">#<span>concave</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "video/mp4",
"url": "https://files.mastodon.social/media_attachments/files/114/251/387/771/704/960/original/e823a7430c3211d6.mp4",
"name": "recording of resizing the viewport to show how the rounded corner shape adapts.",
"blurhash": "UgHoI6xu00-;4nj[_3t7IUfQofM{fQRjIUIU",
"focalPoint": [
0,
0
],
"width": 924,
"height": 480
}
],
"tag": [
{
"type": "Mention",
"href": "https://fosstodon.org/users/codepen",
"name": "@codepen@fosstodon.org"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/css",
"name": "#css"
},
{
"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/SVGFilter",
"name": "#SVGFilter"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/code",
"name": "#code"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/coding",
"name": "#coding"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/frontend",
"name": "#frontend"
},
{
"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/concave",
"name": "#concave"
}
],
"replies": {
"id": "https://mastodon.social/users/anatudor/statuses/114251422366187105/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/anatudor/statuses/114251422366187105/replies?min_id=114262107696504257&page=true",
"partOf": "https://mastodon.social/users/anatudor/statuses/114251422366187105/replies",
"items": [
"https://mastodon.social/users/anatudor/statuses/114262107696504257"
]
}
},
"likes": {
"id": "https://mastodon.social/users/anatudor/statuses/114251422366187105/likes",
"type": "Collection",
"totalItems": 8
},
"shares": {
"id": "https://mastodon.social/users/anatudor/statuses/114251422366187105/shares",
"type": "Collection",
"totalItems": 3
}
}