AWinware pdf security software quickly encrypts bulk pdf files to secure users private and confidential data behind password lock. Tool enables user to set pdf open password lock as well as pdf owner restriction security. Tool provides ability to use 40 bit, 128 bit or 256 bit long encryption key protection using standard RC4 or advanced AES encryption method. Pdf encrypt tool uses just few mouse clicks only to password secure your document. Load pdf file into program, insert password and encrypt document quickly. Apart from this if user wish to restrict pdf file printing, editing, commenting, copying, signing, page extraction and document format conversion, try setting pdf owner password. Owner password sometimes called pdf master password used to prevent pdf accessibility like print, edit, copy, OCR etc. Free trial version draws watermarking over document and need user license registration.