我们将使用下面所列出的13个免费的图像压缩工具对一个8位的和一个24位的PNG文件进行压缩。 所列的工具包含命令行工具、桌面程序和在线服务。 命令行工具在对大量文件进行自动处理 …

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对于一些比较简单的图片，主体与背景颜色相差大，在ppt中就可以抠去底图，生成png图片。 操作也很简单：点击图片—格式—删除背景： 最终成果如下，可以看到图像有了一些损失，不过 …

This browser-based tool performs a comprehensive analysis of PNG images and delves into their low-level details, such as pixel composition, alpha channel information, meta information, and …

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