PDF Encrypt allows you to encrypt (using standard 40-bit or 128-bit or AES encryption ) existing PDFs, set permissions, add user and owner password.

Currently nine strong symmetrical block ciphers are implemented: BLOWFISH, GOST, RC 4, DES, Skipjack, TWOFISH, TEA and XOR. Any type of file can be encrypted/decrypted, not only ZIP files.

Hasty and easy conversion from FLV to AVI, MPEG and more. It can convert videos from your hard drive or from a website like YouTube to a selected format. It offers batch conversion. Keeps the original audio and video quality. Runs on all Windows OS.