注意：PDF Password Remover對于擁有用戶密碼的文檔不能工作（防止該文件被打開），如果用戶和所有者密碼都不知道，則PDF Password Remover也會失敗。

PDF Password Remover特點

易于使用；
支持拖放PDF文件；
不需要Adobe Acrobat軟件；
支持Windows 98/ME/NT/2000/XP/2003/Vista/7系統；
支持32位和64位系統；
能夠迅速地從您加密的PDF文件中移除響應的安全設置；
支持命令行操作（用于手動使用或包含在腳本中使用）；
支持PDF1.8格式（以前僅由Acrobat 9.0應用程序支持）；
支持PDF1.8（Acrobat 9.x）文件，包含40位的RC4解密、128位RC4解密、AES解密、壓縮的文件以及未加密的元數據；
從命令行中批處理多個文件；
支持Adobe標準的40位加密，Adobe改進的128位加密和AES加密；
界面受保護的Adobe Acrobat PDF文件，移除在打印、編輯、復制操作上的限制。

Note：PDF Password Remover doesn't work with documents which have 'user' password (preventing the files from being opened), if both user and owner passwords are unknown the PDF Password Remover will fail.

PDF Password Remover features

Easy to use;
Support drag and drop PDF files;
Do NOT need Adobe Acrobat software;
Support Windows 98/ME/NT/2000/XP/2003/Vista/7 systems;
Support both 32bit and 64bit systems;
Remove the security settings from your encrypted PDF file is instant;
Support command line operation (for manual use or inclusion in scripts);
Support PDF1.8 format (formerly only supported by Acrobat 9.0 application);
Support PDF1.8 (Acrobat 9.x) files, including 40-bit RC4 decryption, 128-bit RC4 decryption, AES decryption, compressed files and unencrypted metadata;
Batch operation on many files from command line;
Support Adobe Standard 40-bit Encryption, Adobe Advanced 128-bit Encryption and AES Encryption;
 Decrypt protected Adobe Acrobat PDF files, removing restrictions on printing, editing, copying;