5 items
Official extension for Case Market. Enables seamless CS2 case trading Enable Seamless CS2 Trading on Case Market Case Market is a peer-to-peer marketplace for CS2 cases, where you can buy and sell cases at prices lower than Steam Market fees. This official companion extension enables secure, automated trading syncing your Steam session cookies. HOW IT WORKS 1. Install the extension - One-time setup, no configuration needed 2. Log into Case Market - Use your Steam account 3. Log into Steam Community - Visit steamcommunity.com in the same browser 4. Trade automatically - The extension handles the rest KEY FEATURES - Runs silently in the background - No popup, no buttons, no interaction required - Automatically detects and syncs your Steam session - Cookies encrypted before transmission PRIVACY & SECURITY - We only read Steam session cookies (sessionid and steamLoginSecure) - Cookies are encrypted client-side before being sent - Your Steam password is never accessed or stored - All communication happens over HTTPS PERMISSIONS EXPLAINED - cookies: Read Steam session cookies for trading - alarms: Schedule periodic sync checks - storage: Temporarily store cookies until you log into Case Market Support: https://casemarket.org or support@casemarket.org
Apr 2, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.