PDFOptim vs PortableSigner
A side-by-side look at PDFOptim and PortableSigner. For an in-depth review of either product, follow the links below.
PDFOptim
Office & Productivity
PDFOptim is a free open source software that optimizes PDF files by reducing the file size. It works by analyzing the internal structure of the PDF, removing unnecessary metadata, compressing images and fonts, and performing other size reduction optimizations.
pdfoptimizercompression
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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