KillerPDF

Spec sheet

Purpose

KillerPDF is a Windows PDF viewer, annotator and light editor for viewing, editing, OCR, organizing, comparing, filling and signing PDFs.Read 11 Oct 2026 · killerpdf.net

Intended users

The maker says the app was built for PDF problems encountered by clients and users, including forms that will not fill or flatten and damaged or encrypted files.Read 11 Oct 2026 · killerpdf.net

Free plan

YesRead 20 Sep 2026 · killerpdf.net

Integrations

The app supports signing with a Certum SimplySign cloud certificate.Read 11 Oct 2026 · killerpdf.net

Privacy

The maker says KillerPDF has no ads or telemetry and performs PDF work locally; update checks and downloads of updates or extra OCR models use the internet.Read 11 Oct 2026 · killerpdf.net

Support

The maker directs users to a public GitHub issues page to request features or report bugs.Read 11 Oct 2026 · killerpdf.net

License

KillerPDF is free software under the GPL-3.0 license.Read 11 Oct 2026 · killerpdf.net

Maker

The maker identifies himself as Steve the Killer and describes himself as a field technician and developer.Read 11 Oct 2026 · killerpdf.net

Annotation tools

YesRead 20 Sep 2026 · killerpdf.net

Command line

Core operations including merge, split, decrypt, flatten, print, OCR and batch resave can run headlessly from PowerShell or cmd.Read 11 Oct 2026 · killerpdf.net

Distribution

KillerPDF is available as a compact installer and a portable edition; the portable edition includes its runtime and can run without installation.Read 11 Oct 2026 · killerpdf.net

Local processing

Document processing, including OCR, runs locally, and the site says no telemetry is sent.Read 11 Oct 2026 · killerpdf.net

OCR

On-device OCR supports 19 languages, with additional language models downloaded on demand.Read 11 Oct 2026 · killerpdf.net

PDF conversion

YesRead 20 Sep 2026 · killerpdf.net

PDF tools

Features include inline text editing, annotations, form filling, signatures, page merging and splitting, comparison, printing and flattening.Read 11 Oct 2026 · killerpdf.net

Requirements

The site lists Windows 10/11 x64; the installer requires the Microsoft .NET 10 Desktop Runtime, while the portable edition includes its own runtime.Read 11 Oct 2026 · killerpdf.net

Signing

Digital signing supports PFX or P12 certificates and the Windows certificate store, uses SHA-256, and embeds the certificate chain.Read 11 Oct 2026 · killerpdf.net

Supported platforms

Windows 10/11 x64Read 20 Sep 2026 · killerpdf.net

Text editing

YesRead 20 Sep 2026 · killerpdf.net

Plans and prices

Every KillerPDF plan and price →

Where Specifiction places it

• PDF editors#58 of 1027.8