Lightweight PDF tool for Windows to merge, split and compress files locally without uploading anything. UI in Spanish.
Publisher’s description
What is CajaPDF?
CajaPDF by Octonove is open-source Windows software in the pdf tools category. It is written in Python.
Installation and requirements
The publisher provides EXE (Inno Setup) installers for 64-bit Windows. It needs Windows 10 or newer. A silent install is possible with the installer’s documented switches.
Popularity and file types
The source code on GitHub (Octonove/cajapdf) has 1 stars. Similar programs include Adobe Acrobat Reader (64-bit), NAPS2 and wkhtmltox.
Project description on GitHub: “Merge, split and compress PDFs for free on Windows. 100% on your PC — no uploads.”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
Cons
- No native ARM64 build
In short: CajaPDF is an open-source pdf tool tool for 64-bit PCs. Administrators can deploy it unattended.
Is CajaPDF 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:
0E8DAE4472C780C79E6732E5B4EBFA61EF00CCB888EF9012EE124640E6264534· 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
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 1.1.0Latest | August 14, 2026 | — | 64-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id Octonove.CajaPDF -eCajaPDF-Setup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Information
- Publisher
- Octonove
- Category
- PDF tools
- Licence
- MIT
- Price
- Free
- Source code
- github.com/Octonove/cajapdf
- Written in
- Python
- Requires
- Windows 11 / 10 (Windows 10+)
- Architecture
- 64-bit
- Installer
- EXE (Inno Setup)
- Version
- 1.1.0
- Released
- August 14, 2026
- Added to the catalogue
- August 14, 2026
- Versions listed
- 1
- GitHub stars
- 1
- Website
- simplificaconia.com
- winget ID
- Octonove.CajaPDF
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is CajaPDF free?
Yes. CajaPDF is open-source software under the MIT licence.
Is CajaPDF 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 CajaPDF 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 CajaPDF be installed silently?
Yes. The silent install page lists the exact command for each installer.
Which Windows versions does CajaPDF support?
The installer requires Windows 10 or newer and is available for 64-bit.
Does CajaPDF run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
What are alternatives to CajaPDF?
Adobe Acrobat Reader (64-bit), NAPS2, wkhtmltox, PDF24 Creator and MiKTeX. The alternatives page compares them.