PDF Encrypt allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs, set permissions, add user and owner password.
Split Byte is a free versatile file splitter and joiner application. It can be used to split large files into smaller parts and afterwards join them, for example in order to email them or to write them on a CD or DVD.
Downloads: 54098 - Freeware - Download Now
The PDF Password Recovery ( password remover )( pdf decrypt ) can be used to decrypt protected Adobe Acrobat PDF files.
Downloads: 60835 - Shareware - Download Now
Attach any file to your existing PDF document.
Downloads: 63067 - Freeware - Download Now
DataNumen File Splitter is a powerful tool to split and join large files. It can also compare files and calculate check sum for files.
Downloads: 62276 - Freeware - Download Now
GSplit is a powerful file splitter that splits your large files into a set of smaller files called pieces; it also generates small Self-Uniting programs (.exe) to assemble pieces without needing GSplit. Intuitive interface and a full set of options.
Downloads: 62586 - Freeware - Download Now