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Open Access Helper Web

oahelper.org
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Overview

Helps you find Open Access copies of paywalled scientific articles, by utilizing Unpaywall and other services

Open Access Helper: Effortless Access to Scholarly Articles Stop Hitting Paywalls You find the perfect paper. Then you see a paywall. Open Access Helper solves this problem. It automatically finds a free, legal version of the article instead. It uses data from Unpaywall and other trusted sources to find open access copies of scientific papers. How It Works When you open a research article, Open Access Helper checks it automatically. It looks for the article's DOI (a unique code for the paper) and searches for a free version. If a free version exists, a badge appears. Just click the badge to open the article. Before you click, you can hover over the badge to see what type of version it is: * Published Version – the final, official version * Accepted Version – the version accepted after peer review, before final formatting * Submitted Version – the first version submitted by the authors Easy Access Through Your University Does your university use EZProxy or OpenAthens? Set your university's domain one time (for example: harvard.edu). After that, one click connects you to your university library, even when you're off campus. Safe and Private All links go to official, legal copies of the articles. We do not collect personal data. We only collect anonymous usage statistics, to help us improve the extension. 👉 Install Open Access Helper today and spend less time searching, more time reading.

Details

  • Version
    2026.8
  • Updated
    August 21, 2026
  • Size
    415KiB
  • Languages
    8 languages
  • Developer
    Claus Wolf
    Am Hergert 1 Otzberg, Hessen 64853 Germany
    Website
    Email
    info@oahelper.org
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

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