Technically unlimited, but files over 5MB may fail to load correctly for other users.
Once your images are uploaded, you need to display them on your profile.
Use Steam.Design to automatically crop your Steam backgrounds into the correct dimensions. 2. The "Long Image" Upload Hack
Must be exactly 630 pixels for a single large showcase, or divided into five 119-pixel columns for a standard Workshop showcase.
Before uploading, you must ensure your image or GIF meets the specific Steam layout dimensions.
You must be at least Level 10 on Steam to unlock showcases. Steps: Go to Edit Profile > Featured Showcase .
Steam profiles naturally limit the height of "Workshop" or "Guide" images. This guide explains how to bypass those limits to create a seamless, vertical display. 1. Preparing Your Content
Click each slot and select your recently uploaded "long" images. They will appear as thin black lines in the selection menu but will expand once saved. 4. Advanced: Animated Video Backgrounds