KillerPDF

Steve the Killer·SteveTheKiller.KillerPDF

PDF editor for Windows. Install or run portable. GPLv3. No account, no subscription, no telemetry.

KillerPDF is a lightweight PDF viewer and toolkit for Windows. View, merge, split, and manage PDF files. Runs portable or installs to your user profile - no admin rights required. No account, no subscription, no telemetry. Open source under GPLv3.

winget install --id SteveTheKiller.KillerPDF --exact --source winget

Latest 1.8.4·September 6, 2026

Release Notes

1.8.4 addresses document closing, text editing, saving, footer behavior, and remaining diagnostic translations. Changed

  • Added a clickable footer size display that cycles through pixel, inch, millimeter, and point dimensions (#364).
  • Added output scale to Transform and image export DPI previews (#365). Fixed
  • Restored title-bar controls, including the close button and logo zoom control.
  • Registered the PDF handler as KillerPDF instead of the internal KillerPDF.App executable name.
  • Preserved visible pixels when pasted clipboard images contain an empty alpha channel (#389).
  • Preserved pasted images and other unsaved annotations when inserting blank pages (#388).
  • Rendered the correct first page after opening or switching documents in Single, Two-Page, and Grid views (#378, #379, thanks @Ryokoxx).
  • Allowed Document Info changes when PDFs contain malformed language metadata (#384).
  • Allowed Transform to rasterize selected pages in tagged PDFs (#383).
  • Restored reliable title-bar dragging and double-clicking from maximized windows (#380).
  • Kept native window resize borders, preserved the visible Continuous position during resizing, and retained the custom caption (#372, #373, thanks @Ryokoxx).
  • Kept comparison labels readable, preserved underscores in file names, and separated display, save, and working-copy paths (#370, #371, #376, thanks @Ryokoxx).
  • Preserved JPEG compression when flattening, repairing, and importing image-based pages (#366).
  • Prevented crashes from stale or repeated tab-close requests (#353).
  • Kept the footer page number current during Continuous navigation and scaled footer controls with the interface (#354, #355).
  • Preserved detected text sizes, identified unavailable font substitutions, and fixed Save Flattened crashes on edited tagged PDFs (#356).
  • Preserved landscape page orientation and proportions when flattening rotated PDFs (#362).
  • Removed a size limit that could prevent maximizing correctly after moving to a larger monitor (#363).
  • Restored the Compare PDFs toolbar caption and kept its choices open when launched from the overflow menu (#360).
  • Opened PDF comparison with equal document pane widths, excluding the sidebar (#359).
  • Restored toolbar captions for fillable text fields and the measuring tool.
  • Localized the remaining validation messages and audited interface text across all 15 languages. The localization gate now rejects hardcoded UI labels and tooltips (#227).
  • Added installer file details and the installed size in Windows' program list (#361).

Installer type: portable

x6425C75CDD647D2C5A8CD2F691297E2E6D4D03EDC75472C6EF5D4D9C80A5DA5143

Details

Homepage
https://github.com/SteveTheKiller/KillerPDF
License
GPL-3.0
Publisher
Steve the Killer
Support
https://github.com/SteveTheKiller/KillerPDF/issues
Copyright
Copyright (c) 2026 Steve the Killer
Moniker
killerpdf

Tags

dotnetgplv3opensourcepdfpdf-editorportablewindowswpf

Older versions (20)

1.8.3
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1.8.2
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1.8.1
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1.8.0
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1.7.5
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1.7.4
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1.7.3
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1.7.2
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1.7.1
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1.7.0
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1.6.6
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1.6.5
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1.6.4
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1.6.3
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1.6.2
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1.6.0
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1.5.1
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1.5.0
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1.4.2
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1.4.1
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