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.social/users/FirefoxDevTools/statuses/114255831387774895",
"type": "Note",
"summary": null,
"inReplyTo": "https://mastodon.social/users/FirefoxDevTools/statuses/114255712464416556",
"published": "2025-03-31T07:20:30Z",
"url": "https://mastodon.social/@FirefoxDevTools/114255831387774895",
"attributedTo": "https://mastodon.social/users/FirefoxDevTools",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.social/users/FirefoxDevTools/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.social/users/FirefoxDevTools/statuses/114255831387774895",
"inReplyToAtomUri": "https://mastodon.social/users/FirefoxDevTools/statuses/114255712464416556",
"conversation": "tag:mastodon.social,2025-03-31:objectId=959846257:objectType=Conversation",
"content": "<p>Let's continue with updates for version 135 which improved WebExtension debugging, added information for CHIPS cookies and provided a new `$$$()` helper in the console: <a href=\"https://fxdx.dev/firefox-devtools-newsletter-135/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">fxdx.dev/firefox-devtools-news</span><span class=\"invisible\">letter-135/</span></a></p><p><a href=\"https://mastodon.social/tags/firefox\" class=\"mention hashtag\" rel=\"tag\">#<span>firefox</span></a> <a href=\"https://mastodon.social/tags/devtools\" class=\"mention hashtag\" rel=\"tag\">#<span>devtools</span></a> <a href=\"https://mastodon.social/tags/cookies\" class=\"mention hashtag\" rel=\"tag\">#<span>cookies</span></a> <a href=\"https://mastodon.social/tags/webExtensions\" class=\"mention hashtag\" rel=\"tag\">#<span>webExtensions</span></a></p>",
"contentMap": {
"en": "<p>Let's continue with updates for version 135 which improved WebExtension debugging, added information for CHIPS cookies and provided a new `$$$()` helper in the console: <a href=\"https://fxdx.dev/firefox-devtools-newsletter-135/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">fxdx.dev/firefox-devtools-news</span><span class=\"invisible\">letter-135/</span></a></p><p><a href=\"https://mastodon.social/tags/firefox\" class=\"mention hashtag\" rel=\"tag\">#<span>firefox</span></a> <a href=\"https://mastodon.social/tags/devtools\" class=\"mention hashtag\" rel=\"tag\">#<span>devtools</span></a> <a href=\"https://mastodon.social/tags/cookies\" class=\"mention hashtag\" rel=\"tag\">#<span>cookies</span></a> <a href=\"https://mastodon.social/tags/webExtensions\" class=\"mention hashtag\" rel=\"tag\">#<span>webExtensions</span></a></p>"
},
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/firefox",
"name": "#firefox"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/devtools",
"name": "#devtools"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/cookies",
"name": "#cookies"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/webextensions",
"name": "#webextensions"
}
],
"replies": {
"id": "https://mastodon.social/users/FirefoxDevTools/statuses/114255831387774895/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/FirefoxDevTools/statuses/114255831387774895/replies?min_id=114256542717046549&page=true",
"partOf": "https://mastodon.social/users/FirefoxDevTools/statuses/114255831387774895/replies",
"items": [
"https://mastodon.social/users/FirefoxDevTools/statuses/114256542717046549"
]
}
},
"likes": {
"id": "https://mastodon.social/users/FirefoxDevTools/statuses/114255831387774895/likes",
"type": "Collection",
"totalItems": 9
},
"shares": {
"id": "https://mastodon.social/users/FirefoxDevTools/statuses/114255831387774895/shares",
"type": "Collection",
"totalItems": 0
}
}