With text formatting, image manipulation, and annotation tools. Add digital signatures and fill out forms. Convert files locally without cloud processing. Share edited documents securely.
Edit and manage PDF files by splitting, merging, and combining documents. Lock and unlock PDFs, compress files, and convert between formats. Select specific pages for splitting and merge multiple files into one.
Si4Key provides local encryption for keystrokes, ensuring input stays on the device. It includes one-tap digital signature for secure authentication. Offers offline key management for secure identity verification without internet dependency.
