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Mastodon does not support full Markdown everywhere, but many instances and client apps offer Markdown-like formatting for posts and profile fields. Users often try to use asterisks or underscores for bold and italic text, only to see the raw characters appear instead of formatted content. This happens because Mastodon uses a different syntax — HTML … Read more
When composing a post in Mastodon, you may want to add a custom emoji from your instance but struggle to find the right one among hundreds of options. Mastodon groups custom emojis into categories defined by the instance administrator, but the emoji picker does not show those categories by default. This article explains how to … Read more
If you want to share a snippet of code in a Mastodon post, the standard interface does not include a dedicated code block button. This makes it difficult to preserve indentation and formatting, especially for longer code samples. Glitch-Soc, a popular fork of Mastodon, adds native support for code blocks directly in the post composer. … Read more
When you compose a post in Mastodon, you cannot attach more than four images or a single video file in the same post. This limit is enforced by the Mastodon software itself, not by individual server administrators. You might see an error message saying “Too many media attachments” if you try to exceed this rule. … Read more
When you upload an image to Mastodon, the platform automatically generates a thumbnail preview. The default crop often cuts off important parts of the picture, such as a face or a key object. Mastodon lets you set a focus point within the alt text editor to control which area of the image remains visible in … Read more
When you upload an image to Mastodon, the platform encourages you to add a description, known as alt text, for accessibility. However, the default behavior does not block sending a post if you skip writing that description. This can lead to posts with images that are invisible to users who rely on screen readers or … Read more
Mastodon lets you follow hashtags just like you follow people. When you follow a hashtag, posts that use that tag appear directly in your Home timeline. This keeps you updated on topics you care about without manually searching each time. This article explains how to follow a hashtag on Mastodon from the web interface and … Read more
You open a hashtag feed in Mastodon and see no posts or only old content. This problem affects both the web interface and mobile apps. The empty feed is usually caused by federation delays, local instance moderation, or incorrect hashtag formatting. This article explains the technical reasons behind empty hashtag feeds and provides step-by-step fixes … Read more
Your Mastodon home timeline can become cluttered with posts about topics you do not want to see. A single trending hashtag can dominate your feed with dozens of posts you have no interest in. Mastodon provides a built-in feature to mute a hashtag so that posts using it no longer appear in your timeline or … Read more
Mastodon displays trending hashtags on the Explore page, but the way topics get promoted differs from Twitter or Facebook. You might have noticed that some hashtags appear in Trending while others never show up, even if they seem popular in your local timeline. This happens because Mastodon uses a decentralized algorithm that filters trending content … Read more