有时候图片较大，一个是浪费流量，更重要的是用户体验会比较差。
这个时候对图片进行压缩，就变得很有必要。
不错的网站
开源工具
java
压缩文件，压缩图片，压缩Bitmap，Compress, CompressImage, CompressFile, CompressBitmap：
2022年10月4日小于 1 分钟
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