PDFtk vs PortableSigner
A side-by-side look at PDFtk and PortableSigner. For an in-depth review of either product, follow the links below.
PDFtk
Office & Productivity
PDFtk is an open-source command-line tool for working with PDF documents. It enables users to merge, split, rotate, encrypt and decrypt PDF files. PDFtk is lightweight, fast and cross-platform.
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PortableSigner
Office & Productivity
PortableSigner is a free portable software used to digitally sign PDF and Office documents. It allows applying digital signatures without needing to install additional software.
signingpdfofficedocumentsdigital-signaturesportable
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