A lightweight and convenient browser bookmarklet to quickly activate Steam product keys directly from your browser. Clicking it prompts you for a key, validates its format, and instantly opens the official Steam redemption page with your code pre-filled. Fast, open-source, and requires no external software.
javascript productivity open-source steam utility gaming js script bookmarklet developer-tools account-management qol quality-of-life steam-library steam-keys browser-script license-manager steam-activation product-keystone key-redemption
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Updated
Oct 19, 2026