PDF readers and editors
MuPDF privacy rating
PDF, XPS and e-book rendering library from Artifex, with a lightweight viewer, command-line tools and bindings for Python, JavaScript and .NET.
Summary
MuPDF scores 50 out of 100 (grade D) on the PDF readers and editors criteria. It meets 2 of 4 criteria: open source and no ads or data sales. It does not meet no trackers or telemetry and independent audit. It is based in the United States: Five Eyes member; subject to the US CLOUD Act.
Score 50 out of 100. How scoring works
Criteria
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Yes
Open source Weight 3 of 3
Is all the source code needed to run the product public?
AGPL-3.0, with a commercial license available from Artifex.
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No
No trackers or telemetry Weight 3 of 3
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
The Android viewer has no known trackers, but the website uses Google Analytics and Microsoft Clarity.
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Yes
No ads or data sales Weight 2 of 3
Is the product funded without advertising, ad targeting or selling user data?
Funded by commercial licenses, with no ads.
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No
Independent audit Weight 2 of 3
Has an independent security or privacy audit been published within the last three years?
No independent audit is published.