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Lean Library

A library-approved tool to unlock access to academic papers.

Users200KCurrent public install base
Rating3.4Store average score
Reviews142Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview

Lean Library Media preview

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Trend

User growth trend

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User Growth Over Time

200K200K200K200K200K2026年7月15日2026年7月18日2026年7月21日Latest: 200K
Rating trend

7-day rating trend

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7-day rating change

Start
3.43
Latest
3.43
7-day rating change
0.00
3.333.383.433.483.532026年7月15日2026年7月18日2026年7月21日Latest: 3.43
2026年7月15日2026年7月21日
Growth overview

Daily, weekly, and monthly growth

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1-day growthFlat
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7-day growthFlat
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30-day growthFlat
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Technical snapshot

Version, languages, and crawl freshness

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Version2026.5.0
ManifestV3
Size11.91MiB
Languages1English
Published
Store updated
Last crawled
English
Overview

Product summary

Review the store description, core capabilities, and common use cases.

Providing an uninterrupted research rhythm

Lean Library is a free end-to-end research tool that brings your library’s services and resources directly into your research workflow, no matter where you start your research. Whether you are discovering and accessing academic content or saving references, Lean Library puts your library right at the heart of every research journey. Instantly and legally unlock millions of academic articles, eBooks, and open access content, avoid paywalls, and receive customised guidance from your library. Save references, highlight and annotate content, get journal alerts, and build information literacy skills with article retraction alerts and trust ratings—all from within your browser.

Ready to start using Lean Library?

Install the extension, select your institution and begin researching! Even if you aren’t

affiliated with an institution, you can still get quick and seamless redirection to open access materials absolutely free by downloading the extension and selecting Lean Library Open as your library.

Please note, the Lean Library browser extension works together with Lean Library

Reviews

Recent review snapshot

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Store average score3.4Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average3.1Average computed only from synced review bodies below
Reviews with text103Synced review bodies
Total ratings / reviews142Chrome Web Store public rating/review count

Store average score: 3.4. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5
40
4
7
3
8
2
19
1
29
Horvath Daniel2021年2月5日
5

Ez a kiegeszito nagyon segiti a tanulasomat. Javallott!

Language hu
Julian Keizer2021年2月1日
1

Slows down Google Chrome (Version 88.0.4324.104 (Official Build) (64-bit)) enormously. Cannot recommend.

Language en
1 helpful · 0 not helpful
Alexander Alt2020年12月26日
3

Works fairly well most of the time but every now end then, it just uses a lot of CPU even when I'm not actually doing anything in Chrome. This hasn't changed over the last few months (and last few versions of Chrome), it seems to happen when I wake my laptop up after it being in sleep mode but I do that a lot so that might be a coincidence.

Language en
Mark Lukacs2020年12月25日
1

breaks all the time

Language en
Charles Knight2020年10月7日
1

Something broken in update - tries to take over google search so that it is unable.

Language en
A Janssen2020年9月18日
5

Very handy when i'm on websites that are not traditionally supported by my university, but somehow are anyway.

Language en
1 helpful · 0 not helpful
James C2020年8月15日
2

Useful but uses up 500Mb+ of RAM on "idle". Almost as if this extension is mining crypto or something while it's installed and running.

Language en
1 helpful · 0 not helpful
Joost Zaalberg2020年4月6日
2

Very useful extension, hence the extra stars, but makes the chrome browser extremely slow, hence only two.

Language en
1 helpful · 0 not helpful
Juan Andino2020年4月3日
2

Helpful app but you need to either change the default so that the access pop-up doesn't not come up unprompted OR provide users that option. More often than note, this pop-up is super annoying and it would be helpful to just be able to click the icon when you need help with institutional access to an article. Using most up to date version of chrome

Language en
2 helpful · 1 not helpful
Matthew Harvey2020年4月2日
1

Great premise but causing continuously HUGE CPU usage, making Chrome unbearably slow. Defaulting to whitelisting only known journal sites might help. Developer: try using this on an old or mobile processored computer with more than a few tabs open.

Language en
5 helpful · 1 not helpful