JPEGmini 是一个提供无损图片压缩的服务，用它可以在不损耗图片质量（肉眼分辨不出来）的情况下大幅减小图片的体积。

为什么要压缩图片？现在数码相机拍摄的图片至少也有几MB，而大多数论坛对于图片上传都有不少于几百KB的限制，所以大体积图片不进行处理是无法上传的；再比如上传图片到博客，大体积图片导致页面载入变慢影响用户体验；再比如上传图片到Dropbox等网盘做备份，大体积图片又会造成存储容量的浪费。因此对图片做无损压缩在很多情况下都是很有用的。

JPEGmini 1.x | Mac Os X | 5 MB

Put your photos on a diet with JPEGmini! JPEGmini reduces the file size of your photos by up to 5X, while keeping their original resolution, quality and JPEG format. With JPEGmini you can optimize all your photos to free up valuable hard drive space, and share full-resolution photos with your friends much faster.

MacWorld: "JPEGmini is easy to use and will trim your image file sizes without sacrificing quality"

Popular Photography: "The best part is that resulting files are completely JPEG compatible"

TechCrunch: "JPEGmini reduces photos' size, not their quality"

Robert Scoble: "Much better JPEG compression. it's quite remarkable"

Benefits :

- Free up valuable space on your internal and external drives

- Store up to 5x more photos in your online photo account, and upload them much faster!

- Attach up to 5x more full resolution photos to your email messages

Features :

- Supports photos in any resolution up to 28 Megapixels, including iPhone panoramas

- Drag photos, folders or complete hard drives onto the app to optimize them

- Stunning animation shows photo previews during processing

- Savings counter shows amount of hard drive space saved

- Share your savings on Facebook and Twitter

- Supports the new MacBook Pro with Retina display

Requirements: OS X 10.6 or later