KillerPDF Portable PDF Editor Skill

Skill by ara.so — Daily 2026 Skills collection.

KillerPDF is a single-EXE (~6 MB zipped), portable Windows PDF editor for .NET Framework 4.8. It renders PDFs via PDFium (Docnet.Core), supports inline text editing, annotations, freehand drawing, highlights, signatures, merge/split, full-text search, and printing — all without Adobe, accounts, or telemetry.

What KillerPDF Does