KillerPDF is a free, open-source PDF editor for Windows. View, annotate, OCR, merge, split, edit text, draw, sign, fill forms, print, flatten, and open password-protected PDFs without an Adobe subscription. WinGet installs machine-wide; the downloadable installer also supports per-user installation, and a separate portable build is available. Document processing stays on your computer, with no account, no subscription, and no telemetry. Open source under GPLv3.
Publisher’s description
What is KillerPDF?
KillerPDF by Steve the Killer is open-source Windows software in the pdf tools category. It ranks 17th by popularity among pdf tools in this catalogue. It is written in C#.
Installation and requirements
The publisher provides EXE installers for 64-bit Windows. Installation asks for administrator rights. A silent install is possible with the installer’s documented switches.
Updates and version history
The current version is 1.8.91, released on October 14, 2026. The version history goes back to May 21, 2026: 28 releases, all linked to the official files. The last update is less than a month old.
Popularity and file types
The Chocolatey package has been downloaded 917 times. The source code on GitHub (SteveTheKiller/KillerPDF) has 4,174 stars. Similar programs include NAPS2, Adobe Acrobat Reader (64-bit) and wkhtmltox.
Project description on GitHub: “Free and open-source PDF editor for Windows with a built-in PDF 2.0 engine. View, annotate, OCR, merge, split, crop, rotate, compare, edit text, draw, sign, fill forms, print, flatten, and open password-protected PDFs without a subscription.”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Updated in the last two months
Cons
- No native ARM64 build
- Installation needs administrator rights
In short: KillerPDF is an open-source pdf tool tool for 64-bit PCs. Administrators can deploy it unattended.
Is KillerPDF 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:
EA741CE1B45BC1656F466BFA5F92ECC6C61A8D860724C944AC58C55E99E62F95· 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 28 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 1.8.91Latest | October 14, 2026 | — | 64-bit EXE |
| 1.8.90 | October 14, 2026 | — | 64-bit EXE |
| 1.8.80 | October 5, 2026 | — | 64-bit EXE |
| 1.8.71 | September 27, 2026 | — | 64-bit EXE |
| 1.8.70 | September 25, 2026 | — | 64-bit EXE |
| 1.8.61 | September 22, 2026 | — | 64-bit EXE |
| 1.8.5 | September 15, 2026 | — | 64-bit EXE |
| 1.8.4 | September 6, 2026 | — | 64-bit Portable |
Install from the command line
Silent install ›winget install --id SteveTheKiller.KillerPDF -echoco install killerpdf -yKillerPDF.exe /silentRelated guide: How to use winget: install and update apps
Information
- Publisher
- Steve the Killer
- Category
- PDF tools
- Licence
- GPL-3.0
- Price
- Free
- Source code
- github.com/SteveTheKiller/KillerPDF
- Written in
- C#
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE
- Version
- 1.8.91
- Released
- October 14, 2026
- Added to the catalogue
- May 21, 2026
- Versions listed
- 28
- Chocolatey downloads
- 917
- GitHub stars
- 4,174
- GitHub forks
- 332
- Website
- github.com
- winget ID
- SteveTheKiller.KillerPDF
- Chocolatey package
- killerpdf
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is KillerPDF free?
Yes. KillerPDF is open-source software under the GPL-3.0 licence.
Is KillerPDF 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 KillerPDF 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 KillerPDF be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does KillerPDF 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 KillerPDF?
The versions page lists all 28 versions with links to their official installer files, back to May 21, 2026.
What are alternatives to KillerPDF?
NAPS2, Adobe Acrobat Reader (64-bit), wkhtmltox, PDF24 Creator and MiKTeX. The alternatives page compares them.