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description=Sharing your thoughts has never been more convenient.;

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visibility, public, posting, to, your, profile, text, attachments, post, privacy, of, replies, content, warnings, sponsored, by, links, mentions, hashtags, custom, emoji, files, polls, quiet, followers, private, mention, editing, media,

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Text of the page (random words):
posting to your profile mastodon documentation what is mastodon using mastodon signing up for an account setting up your profile posting to your profile using the network features quoting other posts dealing with unwanted content promoting yourself and others set your preferences more settings using mastodon externally moving or leaving accounts official ios and android apps running your own server running mastodon preparing your machine installing from source configuring your environment configuring full text search installing optional features object storage onion services captcha single sign on setting up your new instance using the admin cli upgrading to a new release backing up your server migrating to a new machine scaling up your server moderation actions troubleshooting errors database index corruption webhooks roles developing mastodon apps getting started with the api playing with public data obtaining client app access logging in with an account libraries and implementations implementing quote posts implementing collections contributing to mastodon technical overview setting up a dev environment code structure routes security issues and responsible disclosure frontend guide components state management css and styling creating themes design tokens reference spec compliance activitypub webfinger security microformats oauth bearcaps rest api datetime formats guidelines and best practices oauth tokens oauth scopes rate limits api methods accounts blocks bookmarks domain_blocks endorsements favourites featured_tags filters follow_requests followed_tags mutes preferences reports suggestions tags admin accounts canonical_email_blocks dimensions domain_allows domain_blocks email_domain_blocks ip_blocks measures reports retention trends annual reports apps emails oauth async_refreshes collections grouped notifications health instance announcements custom_emojis directory trends notifications push oembed profile proofs search statuses media polls scheduled_statuses timelines conversations lists markers streaming api entities account accountwarning admin account admin canonicalemailblock admin cohort admin dimension admin domainallow admin domainblock admin emaildomainblock admin ip admin ipblock admin measure admin report announcement annualreport appeal application asyncrefresh collection collectionitem collectionwithaccounts context conversation customemoji domainblock error extendeddescription familiarfollowers featureapproval featuredtag filter filterkeyword filterresult filterstatus identityproof instance list marker mediaattachment notification notificationfallback notificationpolicy notificationrequest poll preferences previewcard previewcardauthor privacypolicy profile quote quoteapproval reaction relationship relationshipseveranceevent report role rule scheduledstatus search shallowquote shallowtag status statusedit statussource suggestion tag termsofservice token translation v1 filter v1 instance v1 notificationpolicy webpushsubscription posting to your profile sharing your thoughts has never been more convenient text links mentions hashtags custom emoji attachments files polls post visibility privacy public quiet public followers private mention visibility of replies content warnings compose form with optional content warning enabled text the main body of each status update can be composed using the text field the default character limit is 500 characters links links must start with http s and are counted as 23 characters regardless of length if you include links in your post they must begin with http or https all links are counted as 23 characters no matter how long they actually are so there is no need to use a link shortener to save characters in fact using a link shortener is actively discouraged mentions suggested mentions for both local and remote users you can mention users by typing out their full address e g alice example com note that any usage of word will be interpreted as mentioning the local user with the username word if that user exists only the username part will count against your character limit the domain is not counted hashtags hashtags are autosuggested with usage frequency you can use a hashtag to make your post discoverable to anyone searching for that hashtag hashtags can contain alphanumeric characters and underscores but cannot contain numbers only custom emoji an array of custom emoji are available in the selector each server offers a set of custom emoji you can use similar to slack or discord you can use an emoji using its shortcode like thounking or by clicking the emoji face in the compose box and browsing through the custom category you can also browse through and search for standard unicode emoji to choose a different emoji skin tone use the selector next to the emoji search box attachments you can attach either files or a poll to your status files new post with a thumbnail for attached media with an edit button for additional options click the photo stack to attach a file to your post you can attach the following images png jpg heif webp avif up to 16mb images will be downscaled to 8 3 megapixels enough for a 3840x2160 image up to 4 images can be attached per post animated gifs gifv up to 16mb are converted to soundless mp4s gif dimensions must be less than 1mp 1280x720 you can also upload soundless mp4 and webm files which will be looped in clients the same way as an animated gif only one animated gif can be attached per post static gif files have the same limits applied to them as animated gif files if you are having issues uploading these images you will need to convert it to another supported image format videos mp4 m4v mov webm up to 99mb video will be transcoded to h 264 mp4 with a maximum bitrate of 1300kbps and framerate of 120fps only one video can be attached per post audio mp3 ogg wav flac opus aac m4a 3gp up to 99mb audio will be transcoded to mp3 using v2 vbr roughly 192kbps only one audio file can be attached per post editing media edit media to add a media description alt text or choose a focal point for the preview thumbnail by clicking the edit link on the attachment thumbnail you can load a modal which will allow adding a media description or changing the focal point although optional it is a good idea to add media descriptions that briefly describe what is in contained in the media these descriptions will be shown when the media fails to load for any reason or when accessed by screen readers and other assistive technology setting the focal point is also optional but can make preview thumbnails looks better when they are not shown in a 16 9 aspect ratio polls new post with a poll in a pick one style that expires after one day click the bar graph icon to attach a poll to your post you can add up to 4 choices each choice can be up to 25 characters polls default to pick one single choice click on the radio button to switch your poll to any of multiple choice checkboxes polls can be set to expire in 5 minutes 30 minutes 1 hour 6 hours 1 day 3 days or 7 days post visibility privacy posts can be published with one of four different post visibility levels you can set a default posting visibility and you can change the visibility for a draft post by opening the visibility and interactions dialog from the button above the text of the post the visibility and interactions dialog showing the available options for post visibility the following table shows where posts made with a certain privacy setting will be visible public feeds includes search results trending and live feeds setting public feeds profile view home feeds public visible visible visible quiet public hidden visible visible followers hidden visible for followers and mentioned accounts visible for followers and mentioned accounts private mention hidden visible for mentioned accounts visible for mentioned accounts direct links permalinks to posts with followers or private mention visibility can only be accessed by logged in users eligible to see the post note that opening permalinks in a browser will redirect to the origin server of the post where you might not have an account if you want to open a post on the server that your account is on log into your server paste the link into the search field and select open url on mastodon below you ll find a detailed description of each post visibility setting public the default option anyone can see your post at the permalink without logging in your post will appear in app in the public timelines and on your profile your followers will receive the post in their home feeds and anyone mentioned will receive the post in notifications your post can be boosted into other home feeds quiet public the same as public but with the following differences your post will not appear in mastodon s live feeds or explore features your post will not appear in search results even if your account has opted in to full text search this option was previously known as unlisted followers a more limited delivery option only accounts following you and those that were mentioned in the post can see your post your post will not appear in app except to your followers and anyone mentioned your followers will receive the post in their home feeds and anyone mentioned will receive the post in notifications your post cannot be boosted except by yourself to effectively publish followers only posts you must disable the automatically accept new followers option otherwise anyone could follow you to view older posts please mind that post privacy on mastodon is per post rather than account wide there is no way to make past public posts private private mention send your post only to mentioned users only accounts that were mentioned in your post can see it your post will not appear in app except to anyone mentioned anyone mentioned will receive the post in notifications it will not appear in the home timeline your post cannot be boosted this option was previously known as specific people do not share dangerous and sensitive information over private mentions mastodon is not an encrypted messaging app like signal or matrix and the database administrators of the sender s and recipient s servers may obtain access to the text visibility of replies your replies will only appear on your followers home feeds if they follow both you and the person you are replying to some notes about this a new post you make which starts with an mention is not considered a reply so it will show up on the home feed of all your followers the reply s visibility public vs unlisted vs followers only does not affect whether it shows up on the home feed if your post is public and contains a followed hashtag it will be shown on the home feed regardless of whether it is a reply other fediverse software may show all of your replies on the home feed no matter who the posts are replies to content warnings expanded post with a content warning that also has attached images obscured one feature that mastodon provides that you may not have seen on other social networks is the option to attach a content warning to your posts when a content warning is included the status content will be collapsed by default and only the content warning will be shown similarly to an email subject line or a read more break this can be used to add a summary or subject for your post to collapse long posts or to otherwise provide context or setup for the body of the post when media is attached a checkbox appears to allow you to mark media as sensitive this hides the full media behind a blurred thumbnail by default adding a cw to a post automatically marks the media as sensitive as well last updated july 8 2026 improve this page also available in 简体中文 日本語 polski sponsored by join mastodon blog view source cc by sa 4 0 imprint