Steam Collection Size Viewer

Browser extension to view Steam workshop collection sizes with just a click of a button

The ultimate quality-of-life upgrade for the Steam Workshop. View collection sizes instantly, manage your addons, and browse smarter! Steam Collection Size Viewer (SCSV) is an essential browser extension designed for Steam users who frequently explore, download, and manage items on the Steam Workshop. Originally built to just show collection sizes, it has evolved into a full suite of tools that makes managing your Steam addons faster and easier than ever before. Key Features: - Instant Collection Size: Find out the total download size of any Steam Workshop collection with a single click before you subscribe. Toggle between MB and GB displays. - Advanced Collection Manager: An intuitive, custom UI injected directly into Steam allows you to manage your collections seamlessly. - Quick Add While Browsing: A convenient "+ Add" button is injected onto every workshop item card on search pages. Instantly pop open the collection manager and sort items into your collections without ever leaving the page! - Workshop Highlighting: Items you already have in your collections are highlighted in green while browsing the workshop, complete with a detailed badge showing exactly which collections they belong to. - Background Syncing: Your collections are automatically cached and synced in the background so the extension always knows exactly what you have. - Like All: Quickly "like" all items in a collection simultaneously to support creators. - Fast & Lightweight: Completely built in Vue.js + TypeScript—fast, clean, and deeply integrated into the native Steam UI. Stop opening dozens of tabs just to add items to your collections. Take full control of your Steam Workshop experience today!