Humble Library

Locally mark Humble Bundle books, comics, games, and software you already own.

Humble Library -- Know what you own before you buy. Humble Library helps you avoid buying Humble Bundle books, comics, audiobooks, games, and software you already own. It compares Humble Bundle listings against your locally stored purchase library and marks items as Owned, Partially owned, Possible match, or New. See the results directly on bundle pages and in the Humble catalogue. FEATURES • Import your purchases: Import and update your Humble library directly from your signed-in Purchases page, including supported books, comics, audiobooks, games, and software. • Spot duplicates before buying: Identify items you already own, partially own, or may own in another edition or collection. • Understand every match: See which previous purchases contributed to an ownership match, including available edition, volume, and collection information. • Compare bundle tiers: See owned and new items by tier, calculate the cost per new item, and find the lowest-priced tier containing all confirmed-new items. • Filter and organize offers: Hide confirmed-owned items, identify previously purchased bundles, sort catalogue offers by time remaining, and filter for offers ending soon. • Track unrevealed game keys: Review supported third-party entitlements that have not yet been revealed and their reported expiration status, without storing redemption keys. • Connect with Galactic Library (optional): Check whether you already own a matching book, audiobook, game, or supported software title through another provider using the separately installed Galactic Library extension. • Keep your library under your control: Your purchase library, matching information, preferences, and history are stored locally in your browser, with backup and restore options. CONSERVATIVE MATCHING Humble Library is designed to help you make informed purchasing decisions, not guess at ownership. An exact confirmed match may be marked Owned. Different editions, collections, numbered volumes, and other uncertain relationships are marked Possible match or Partially owned when appropriate, so you can review them before purchasing. PRIVACY AND FINANCIAL INFORMATION Humble Library is a local-first extension. It does not operate a cloud library, send your purchase history to Galactic Hamster servers, or use analytics or advertising trackers. Why does the Chrome Web Store mention financial information? Humble Library reads purchase history supplied by Humble Bundle, which can include purchase dates, transaction identifiers, amounts paid, and currency. This information is used locally for purchase tracking, bundle-price calculations, and ownership matching. Chrome classifies transaction and payment history as financial information, even when no credit card or banking details are involved. Humble Library does not read or store credit card numbers, bank account details, payment credentials, or redemption-key values. Purchase information remains in your browser unless you explicitly export a backup or authorize supported local synchronization with Galactic Library. The extension communicates with Humble Bundle to retrieve your purchases and can exchange supported library information with Galactic Library through local browser extension messaging. It does not upload your library to a Galactic Hamster-operated server. See our Privacy Policy for details: https://github.com/GalacticHamster/Humble-Comic-Library/blob/master/PRIVACY.md INDEPENDENT EXTENSION Humble Library is an independent, unofficial browser extension. It is not affiliated with, sponsored by, or endorsed by Humble Bundle. SUPPORT DEVELOPMENT Humble Library is free to use and independently developed. If you find it useful and would like to support continued development of Humble Library, Fanatical Library, and Galactic Library, you can buy me a coffee: https://ko-fi.com/galactichamster Donations are entirely optional. All features are available without contributing.