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The original was posted on /r/opensource by /u/smilaise on 2026-04-25 01:45:46+00:00.
Hey r/opensource,
I released v1.2.0 of KillerPDF today. It’s a local-only PDF editor built because I hate Adobe. No subscription required, no account needed, no telemetry is sent anywhere, no cloud bullshit. It’s a single zipped exe, ~6 MB.
What’s new in 1.2.0:
- Self-installing EXE: On first launch you get an Install or Run dialog. Install puts it in
%LOCALAPPDATA%\Programs\KillerPDF\, asks if you would like to register it as your default PDF handler, and adds a Start Menu shortcut. No UAC prompt, no admin rights needed. - Password-protected PDFs: Instead of throwing a generic error, it now prompts for the password and opens normally. The decrypted copy is held in temp for the session.
- Flatten PDF: Rasterizes every page at 150 DPI via PDFium into a fully uneditable document. Annotations are burned in before flattening. Standard for legal, compliance, and reporting workflows.
What it’s always done: view, annotate, merge, split, inline text editing with font matching, reusable signatures, full-text search, print.
GPLv3, .NET Framework 4.8, no runtime to install. Runs on any Windows 10/11 x64 machine.