雷思软件

jhead is a Exif Jpeg header manipulation tool. Things jhead can extract from an Exif jpeg file Time and date picture was taken Camera make and model Integral low-res Exif thumbnail Shutter speed Camera F-stop number Flash used (yes/no) Distance came.

ShortPixel 无疑是最顶尖的 WordPress 图片优化插件：设置简单，能够自动优化您旧的和新的图片，以及 PDF 文件。

具有非常高压缩比的免费在线JPEG压缩工具。