Mastodon Character Limit per Toot: Configurable Maximum Explained

Mastodon posts, called toots, have a character limit that varies by instance. Unlike Twitter’s fixed 280 characters, Mastodon allows each server administrator to set their own maximum. This flexibility means a toot on one instance might be cut off or rejected on another. The default limit is 500 characters, but some instances allow 1000 or … Read more

How to Schedule Posts on Mastodon From the Web Interface

Mastodon does not include a built-in scheduling feature in its standard web interface. This means you cannot compose a post today and set it to publish automatically tomorrow without using a third-party tool. However, you can schedule posts through Mastodon-compatible client applications such as Semaphore, Fedica, or Buffer. This article explains how to schedule posts … Read more

Mastodon Image Upload Failed: File Size and Format Limits

You try to upload a photo to Mastodon, but the server rejects it with a generic failure message. The most common reasons are that the file exceeds the instance’s size limit or uses an unsupported image format. Each Mastodon server independently sets these restrictions, so limits vary widely between instances. This article explains the exact … Read more

Mastodon Video Posts: Supported Formats and Length Limits

Mastodon supports video uploads, but the platform enforces strict file format, size, and duration limits. Many users discover these limits only after a video fails to upload or plays incorrectly. The limits depend on the server your account belongs to because each Mastodon instance sets its own maximum file size and video length. This article … Read more