You are here

Lean Library Access Extension

Use Lean Library to break through the paywall.

Screencap of Lean Library extensionThe Lean Library Access Extension provides quick and simple access to digital content purchased by Harvard Library. Use the tools/extensions menu in Firefox or the Window/Extensions menu in Chrome and search for “library access,” or visit

The site will automatically detect your browser interface and prompt you to install. After downloading, the extension will detect when you are on a website that contains licensed content.

If you are off campus or using wireless access, you will be prompted to login through the HarvardKey page and be greeted with a pop-up window. Once you are logged in, you'll see a green indicator light to show access:

If the content you’d like to use doesn’t seem accessible, the extension will automatically check for open-access versions of the article.

Questions? Ask them here.