PNG批量压缩(OptiPNG)

快速批量压缩png格式图片的工具，使用方法非常简单

解压后，将要压缩的png图片拖动至图标上等待即可！支持批量任务哦！（一次拖几个）

版本更新：

Version 0.6.5 24-jan-2011
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* Upgraded libpng to version 1.4.5-optipng [private]
* Upgraded zlib to version 1.2.5-optipng [private]
!! Fixed the I/O states (in libpng 1.4.5);
they caused incorrect file reads in some rare cases.
(Thanks to [M*A*S*H] and Dmitry Marakasov for the report.)
!! Fixed processing of PNG files with chunks of size 0.
(Thanks to Matthew Fearnley for the report.)
! Fixed a display error in the TIFF import.
(Thanks to Piotr Bandurski for the fix.)
+ Improved checking of the arguments of -f, -zc, -zm and -zs.
- Removed quirks from the rangeset option argument syntax.
! Fixed a build issue under the system-supplied libpng-1.4.
(Thanks to Petr Gajdos for the fix.)
* Resolved forward-compatibility issues regarding libpng-1.5;
however, the system-supplied libpng-1.5 is not yet supported.
* Added various enhancements to the configure+make build system.
(Thanks in part to Elias Pipping and Dmitri Zubko.)