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",
"Emoji": "toot:Emoji"
}
],
"id": "https://hello.2heng.xin/users/omgubuntu/statuses/114514311244170469",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-15T22:55:19Z",
"url": "https://hello.2heng.xin/@omgubuntu/114514311244170469",
"attributedTo": "https://hello.2heng.xin/users/omgubuntu",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://hello.2heng.xin/users/omgubuntu/followers"
],
"sensitive": false,
"atomUri": "https://hello.2heng.xin/users/omgubuntu/statuses/114514311244170469",
"inReplyToAtomUri": null,
"conversation": "tag:hello.2heng.xin,2025-05-15:objectId=19089716:objectType=Conversation",
"content": "<p>Firefox Now Lets You Set a Custom New Tab Background Image or Colour</p><p>A number of new personalisation features have been added to the Firefox New Tab page in the past year, including the ability to pick a background image from a small set of hand-picked pics and solid colours. Pleasant though those curated images are, they’re not to everyone’s tastes. Which is Mozilla is working on a couple of enhancements – all of which are available to “test” in the latest stable release (Firefox 138 at the time of writing). The big change is that you can now “upload your own image” to use as a background for the New Tab page :sys_more_orange:<br /><a href=\"https://hello.2heng.xin/tags/News\" class=\"mention hashtag\" rel=\"tag\">#<span>News</span></a> <a href=\"https://hello.2heng.xin/tags/Development\" class=\"mention hashtag\" rel=\"tag\">#<span>Development</span></a> <a href=\"https://hello.2heng.xin/tags/Firefox\" class=\"mention hashtag\" rel=\"tag\">#<span>Firefox</span></a> <a href=\"https://hello.2heng.xin/tags/Mozilla\" class=\"mention hashtag\" rel=\"tag\">#<span>Mozilla</span></a> </p><p>:sys_omgubuntu: <a href=\"https://www.omgubuntu.co.uk/2025/05/firefox-now-lets-you-set-a-custom-new-tab-background-image\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">omgubuntu.co.uk/2025/05/firefo</span><span class=\"invisible\">x-now-lets-you-set-a-custom-new-tab-background-image</span></a></p>",
"contentMap": {
"en": "<p>Firefox Now Lets You Set a Custom New Tab Background Image or Colour</p><p>A number of new personalisation features have been added to the Firefox New Tab page in the past year, including the ability to pick a background image from a small set of hand-picked pics and solid colours. Pleasant though those curated images are, they’re not to everyone’s tastes. Which is Mozilla is working on a couple of enhancements – all of which are available to “test” in the latest stable release (Firefox 138 at the time of writing). The big change is that you can now “upload your own image” to use as a background for the New Tab page :sys_more_orange:<br /><a href=\"https://hello.2heng.xin/tags/News\" class=\"mention hashtag\" rel=\"tag\">#<span>News</span></a> <a href=\"https://hello.2heng.xin/tags/Development\" class=\"mention hashtag\" rel=\"tag\">#<span>Development</span></a> <a href=\"https://hello.2heng.xin/tags/Firefox\" class=\"mention hashtag\" rel=\"tag\">#<span>Firefox</span></a> <a href=\"https://hello.2heng.xin/tags/Mozilla\" class=\"mention hashtag\" rel=\"tag\">#<span>Mozilla</span></a> </p><p>:sys_omgubuntu: <a href=\"https://www.omgubuntu.co.uk/2025/05/firefox-now-lets-you-set-a-custom-new-tab-background-image\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">omgubuntu.co.uk/2025/05/firefo</span><span class=\"invisible\">x-now-lets-you-set-a-custom-new-tab-background-image</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": null,
"url": "https://i0.wp.com/www.omgubuntu.co.uk/wp-content/uploads/2022/06/firefox-logo-on-an-orange-background.jpg?resize=406,232&ssl=1",
"name": "Media source: https://i0.wp.com/www.omgubuntu.co.uk/wp-content/uploads/2022/06/firefox-logo-on-an-orange-background.jpg?resize=406,232&ssl=1",
"blurhash": null
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://hello.2heng.xin/tags/news",
"name": "#news"
},
{
"type": "Hashtag",
"href": "https://hello.2heng.xin/tags/development",
"name": "#development"
},
{
"type": "Hashtag",
"href": "https://hello.2heng.xin/tags/firefox",
"name": "#firefox"
},
{
"type": "Hashtag",
"href": "https://hello.2heng.xin/tags/mozilla",
"name": "#mozilla"
},
{
"id": "https://hello.2heng.xin/emojis/11788",
"type": "Emoji",
"name": ":sys_more_orange:",
"updated": "2020-07-07T11:38:57Z",
"icon": {
"type": "Image",
"mediaType": "image/png",
"url": "https://s3.mashiro.top/mstdn/custom_emojis/images/000/011/788/original/7ef7a484af2e7939.png"
}
},
{
"id": "https://hello.2heng.xin/emojis/11786",
"type": "Emoji",
"name": ":sys_omgubuntu:",
"updated": "2020-07-07T11:38:57Z",
"icon": {
"type": "Image",
"mediaType": "image/png",
"url": "https://s3.mashiro.top/mstdn/custom_emojis/images/000/011/786/original/d0451437f379cb90.png"
}
}
],
"replies": {
"id": "https://hello.2heng.xin/users/omgubuntu/statuses/114514311244170469/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://hello.2heng.xin/users/omgubuntu/statuses/114514311244170469/replies?only_other_accounts=true&page=true",
"partOf": "https://hello.2heng.xin/users/omgubuntu/statuses/114514311244170469/replies",
"items": []
}
}
}