littlePNG is a PNG optimizer that can drastically reduce the file sizes of your PNG images. Using either lossless or lossy compression, it is possible to reduce file sizes up to 90% in some cases! Just drag your PNG files into littlePNG, and click one button to optimize and compress the entire batch.

Features of littlePNG:

• Optimize your website graphics for faster loading times.
• Compress your PNG graphics for your iPhone or Mac bundles.
• Choose lossless or lossy based compression algorithms.
• No need to learn command line tools!
• Completely configurable!
• Built using the latest quantization tools.