SignKit - Offline Signature Extraction – Extract and sign PDFs locally with full privacy

Summary: SignKit is a desktop application that extracts signatures from PDFs and allows signing, processing all data locally to ensure privacy. It offers professional precision with adjustable zoom and threshold controls and supports cross-platform use on macOS, Windows, and Linux.

What it does

SignKit extracts signatures from documents and enables PDF signing without uploading files to the cloud. It uses OpenCV for image processing and PyMuPDF for PDF handling within a native Python and Qt desktop interface.

Who it's for

It is designed for professionals handling sensitive contracts or forms, such as legal, real estate, healthcare, and business users who require offline signature extraction and signing.

Why it matters

SignKit addresses privacy concerns by eliminating cloud processing and offers a cost-effective alternative to expensive subscription-based signature tools.