Steam Artwork Hub Essentials od Artwork Hub

Steam Artwork Hub Essentials is a web browser extension for Steam that will allow you to upload long artworks and decorative long screenshots, workshops and guides to the Steam network easily, without using any upload codes.

The extension also offers a fix for Long Artwork Thumbnails (no more thin black lines), new profile themes and buttons that integrate with the Steam Points Shop, the Steam Marketplace and your Steam Inventory.