Translation
LibreTranslate privacy rating
Open-source machine translation API built on Argos Translate that can be self-hosted. A hosted instance at libretranslate.com offers a free web translator and paid API keys.
Summary
LibreTranslate scores 67 out of 100 (grade C) on the translation criteria. It meets 5 of 10 criteria: open source, no trackers or telemetry, no ads or data sales, works offline and text not kept. It partly meets TLS configuration. It does not meet independent audit, transparency report, tells users about requests and security headers. It is based in the United States: Five Eyes member; subject to the US CLOUD Act. Automated tests: SSL Labs grade B and Mozilla HTTP Observatory grade F.
Score 67 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?
Licensed under AGPL-3.0.
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Yes
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 privacy policy states no tracking technologies are used.
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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 paid API keys. The privacy policy states personal information is not shared.
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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.
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No
Transparency report Weight 2 of 3
Does the provider regularly publish how many government and legal requests it receives and how it responds?
No transparency report or government request policy is published.
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No
Tells users about requests Weight 1 of 3
Does the provider promise to tell users about requests for their data, unless a court forbids it?
No published policy on notifying users about data requests.
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Yes
Works offline Weight 3 of 3
Can text be translated on the device, without sending it to a server?
Can be self-hosted so translation runs entirely on your own server with local models.
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Yes
Text not kept Weight 2 of 3
Is translated text deleted after translation and kept out of model training?
The hosted service does not store or log translation texts. IP addresses and API keys are kept for two days for abuse prevention.
Automated tests
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Partial
TLS configuration Weight 2 of 3
Does the website pass the Qualys SSL Labs test with a grade of A or better?
Grade B
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No
Security headers Weight 1 of 3
Does the website pass the Mozilla HTTP Observatory test with a grade of A or better?
Grade F (10/100+)
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Not tested yet
Modern web standards Weight 1 of 3
Does the website score 90% or higher on the Internet.nl website test?
Not tested yet.