Fast Image Optimizer can optimize PNG and JPG files for Web with a fast and good compression, without user intervention. Just Drag-And-Drop.

Drag-And-Drop your files ON FastIO.cmd. For optimal optimization, always name your file as namewithtoutspace.png
instead of my file name with space.png
. Always use standard characters. Do not store Fast Image Optimizer in a folder name with space like New Folder
.
Fast Image Optimizer does NOT support animated or interlaced PNG files. You can edit FastIO.cmd to set :
| Option Name | Accepted Values | What it does |
| JpgQuality | 1 to 100 | Affect the output image quality for JPG files. |
| PngQuality | 1 to 100 | Affect the output image quality for PNG32. |
| PngCompression7zip | 0 or 1 | Active (1) or Desactive (0) the 7-zip deflation. |
| PngCompressionKflate | 0 or 1 | Active (1) or Desactive (0) the K-flate deflation -long process. |
| ConvertToPNG8 | 0 or 1 | Overrides PngQuality option. Force conversion to PNG8. |
Download Fast Image Optimizer - 1,23 MB (1 294 835 Bytes)
19.11.2011 - Tools Update - Change features 29.10.2011 - Add User settings (quantization) - Add possibility of conversion to PNG8 with alpha values - Add a possible compression by Kflate algorithm 1.4 - PNG24+Alpha Posterization - 7-Zip Deflate compression 1.3 - Speed Improvement for PNG Optimization - Custom Settings for users (by editing the file) - Better JPG encoder 1.2 - Completly Rewritten. Faster, Better. Recommanded Update. - XP Compatibily Debugged