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Retain PDF

Retain PDF is a free, open-source PDF tool for Windows, macOS and Linux. 在保留版面、公式与结构的前提下进行 PDF 翻译，适用于科研与技术文档. It has 2,667 GitHub stars and is released under the MIT license. Its source code is on GitHub at wxyhgk/retain-pdf.

github.com/wxyhgk/retain-pdf (opens in a new tab)

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About Retain PDF

macOS 若提示应用“已损坏”，将应用拖入 /Applications 后执行： This project is distributed under the MIT License. See LICENSE for the full text.

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FAQ

Retain PDF FAQ

Still curious? Email info@appsgit.com.

Is Retain PDF free and open source?

Yes. Retain PDF's source code is public on GitHub under the MIT license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.

How do I install Retain PDF?

Download the installer for Windows, macOS and Linux from its GitHub Releases page (latest: v4.2.6).

Is Retain PDF still maintained?

The repository's most recent commit was on Oct 25, 2026. appsgit only lists apps whose repository had a commit in the last six months.