PNG 工具箱 (PngUtils for Windows)
[url=http://gnuwin32.sourceforge.net/packages/pngutils.htm]PngUtils[/url] is a collection of utilities for PNG images:
[list][*]Bmp2Png: convert between bitmap images and PNG images[*]Gif2Png: convert GIF to PNG[*]OptiPng: optimize PNG images[*]Png2Bmp: convert between bitmap images and PNG images[*]Png2Ico: convert PNG image to MS-Windows icon[*]PngCheck: verify PNG image and show chunks[*]PngChunkDesc: decode information embedded into a PNG chunk name[*]PngChunks: list chunks in a PNG image[*]PngCp: copy and change PNG images[*]PngCrush: optimize PNG images[*]PngGen: example program generating a PNG image[*]PngInfo: display information on PNG images[*]PngMeta: extract metadata from PNG images[*]PngQuant: quantize and dither 32-bit RGBA PNGs down to 8-bit RGBA-palette PNGs[*]PngRewrite: rewrite and optimize PNG images[*]PngtoPnm: convert a Portable Network Graphics file into a portable anymap[*]PnmToPng: convert a portable anymap image into a PNG image[*]Tiff2Png: convert TIFF image to PNG imageVisualPng: show PNG images[*]WbmpToPng: convert WAP image to PNG image[/list]