A-PDF 到黑色/白色提供了一种快速方法，可直接将 Acrobat PDF 文档中的图像转换为单色或灰度。它检测彩色图像，并使其自动为 bw 或灰色，然后减小 PDF 文件大小。 A-PDF 到黑/白的功能包括处理一批 PDF 文件，甚至使用受密码保护的文件;过滤可能是徽标或其他的小图像;并处理一些页面，只是为了加快处理速度。 A-PDF 到黑色/白色不需要 Adobe Acrobat，并生成与 Adobe Acrobat 阅读器版本 5 及更以上的文档兼容。
软件信息
终端用户许可协议
License Agreements All copyrights to A-PDF to Black/White (the Software) are exclusively owned by A-PDF Solution. For more information, visit our website at www.A-PDF.com. Anyone may use this software but all the pdf files generated will automatically have a demo watermark on the first page of them. Remove the limitation need your register. Once registered, the user is granted a non-exclusive license to use the Software on one computer (i.e. a single CPU) at a time. The registered Software may not be rented or leased, but may be permanently transferred, if the person receiving it agrees to terms of this license. The Software unregistered (trial) version may be freely distributed, provided the distribution package is not modified. No person or company may charge a fee for the distribution of the Software without written permission from the copyright holder. THE SOFTWARE IS DISTRIBUTED "AS IS". NO WARRANTY OF ANY KIND IS EXPRESSED OR IMPLIED. YOU USE AT YOUR OWN RISK. THE AUTHOR WILL NOT BE LIABLE FOR DATA LOSS, DAMAGES, LOSS OF PROFITS OR ANY OTHER KIND OF LOSS WHILE USING OR MISUSING THIS SOFTWARE. You may not use, copy, emulate, clone, rent, lease, sell, modify, decompile, disassemble, otherwise reverse engineer, or transfer the licensed Software, or any subset of the licensed Software, except as provided for in this agreement. Any such unauthorised use shall result in immediate and automatic termination of this license and may result in criminal and/or civil prosecution. All rights not expressly granted here are reserved by A-PDF Solution. Installing and using the Software signifies acceptance of these terms and conditions of the license. If you do not agree with the terms of this license you must remove the Software files from your storage devices and cease to use the product.