A free, open source, multi-platform software designed to split, merge, extract pages, mix and rotate PDF files.
Publisher’s description
What is PDFsam Basic?
PDFsam Basic by Sober Lemur S.r.l. is open-source Windows software in the archivers category. It ranks 7th by popularity among archivers in this catalogue. It is written in Java.
Installation and requirements
The publisher provides MSI installers for 64-bit Windows. Installation asks for administrator rights. A silent install is possible with the installer’s documented switches. An MSI package is available for deployment with Group Policy, Intune or Configuration Manager.
Updates and version history
The current version is 6.0.6.0, released on October 2, 2026. The version history goes back to March 30, 2021: 39 releases, all linked to the official files. That is about 7.1 releases a year. The last update is less than a month old.
Popularity and file types
The Chocolatey package has been downloaded 1,563,349 times. The source code on GitHub (torakiki/pdfsam) has 4,638 stars. Similar programs include 7-Zip, PeaZip and Zstandard.
Project description on GitHub: “PDFsam, a desktop application to split, merge, mix, rotate PDF files and extract pages”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- MSI package for managed deployment
- Documented silent install
- Frequent updates (about 7.1 a year)
- Large user base
Cons
- No native ARM64 build
- Installation needs administrator rights
In short: PDFsam Basic is an open-source archiver tool for 64-bit PCs. It is actively maintained. Administrators can deploy it unattended.
Is PDFsam Basic safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
210996DB06D202A30AC23E23ED3EFDF9C3396894481ABFBC97BC26945A6C6346· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Security practices (OpenSSF Scorecard)
Automated checks of the torakiki/pdfsam repository on GitHub by the Open Source Security Foundation, last run on October 19, 2026.
- Actively maintained10
- No dangerous workflows10
- Pinned dependencies10
- Licence declared10
- No binaries in the repository9
- Signed releases8
- Branch protection6
- Code review0
- Restricted token permissions0
- OpenSSF Best Practices badge0
- Security policy0
- Fuzzing0
- Static code analysis0
The score rates how the project is developed and released, not whether the program is safe to install. scorecard.dev
Recent versions
All 39 versions ›39 versions over 6 years · about 7.1 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 6.0.6.0Latest | October 2, 2026 | — | 64-bit MSI |
| 6.0.5.0 | August 5, 2026 | — | 64-bit MSI |
| 6.0.4.0 | July 10, 2026 | — | 64-bit MSI |
| 6.0.3.0 | July 10, 2026 | — | 64-bit MSI |
| 6.0.1.0 | May 1, 2026 | — | 64-bit MSI |
| 6.0.0.0 | March 30, 2026 | — | 64-bit MSI |
| 5.4.5.0 | January 27, 2026 | — | 64-bit MSI |
| 5.4.1.0 | October 23, 2025 | — | 64-bit MSI |
Install from the command line
Silent install ›winget install --id PDFsam.PDFsam -echoco install pdfsam.install -yscoop install extras/pdfsammsiexec /i pdfsam-basic-6.0.6-windows-x64.msi /qn /norestart /quiet /norestart SKIPTHANKSPAGE=Yesmsiexec /x {3712C9D8-9FE8-4DDA-B75C-E0214767B60B} /qn /norestartRelated guide: How to use winget: install and update apps
Also for other systems
brew install --cask pdfsam-basicInformation
- Publisher
- Sober Lemur S.r.l.
- Category
- Archivers
- Licence
- AGPL-3.0
- Price
- Free
- Source code
- github.com/torakiki/pdfsam
- Written in
- Java
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- MSI
- Version
- 6.0.6.0
- Released
- October 2, 2026
- Added to the catalogue
- March 30, 2021
- Versions listed
- 39
- Updates / year
- 7.1
- Chocolatey downloads
- 1,563,349
- GitHub stars
- 4,638
- GitHub forks
- 409
- Website
- pdfsam.org
- winget ID
- PDFsam.PDFsam
- Chocolatey package
- pdfsam.install
- Scoop package
- extras/pdfsam
- MSI product code
- {3712C9D8-9FE8-4DDA-B75C-E0214767B60B}
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is PDFsam Basic free?
Yes. PDFsam Basic is open-source software under the AGPL-3.0 licence.
Is PDFsam Basic safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install PDFsam Basic with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can PDFsam Basic be installed silently?
Yes. The silent install page lists the exact command for each installer, including msiexec for the MSI package.
Does PDFsam Basic run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of PDFsam Basic?
The versions page lists all 39 versions with links to their official installer files, back to March 30, 2021.
What are alternatives to PDFsam Basic?
7-Zip, PeaZip, Zstandard, WinRAR and UPX. The alternatives page compares them.