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Pdfx

Pdfx is a free, open-source PDF tool for Windows, macOS and Linux. A free-floating 2D Canvas for processing multiple PDF files simultaneously. It has 1,070 GitHub stars and is released under the MIT license. Its source code is on GitHub at AlexandrosGounis/pdfx.

github.com/AlexandrosGounis/pdfx (opens in a new tab)

About Pdfx

PDFx is an open, backwards compatible extension of PDF that bundles many documents into a single file, plus a minimal desktop viewer for macOS, Windows, and Linux.

FAQ

Pdfx FAQ

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What is Pdfx?

Pdfx is a free, open-source PDF tool for Windows, macOS and Linux. A free-floating 2D Canvas for processing multiple PDF files simultaneously. It has 1,070 GitHub stars and is released under the MIT license. Its source code is on GitHub at AlexandrosGounis/pdfx.

Is Pdfx free and open source?

Yes. Pdfx'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 Pdfx?

Download the installer for Windows, macOS and Linux from its GitHub Releases page (latest: v0.2.0) or the project website.

Is Pdfx still maintained?

The repository's most recent commit was on Sep 19, 2026. appsgit only lists apps whose repository had a commit in the last six months.