PNG and JPG Optimization, Freewares and Articles for Web

This Website contains several articles talking about PNG and JPG Optimization. You'll also find tools which can be downloaded for free, which can help you to optimize your PNG and JPG files. If you don't know how to use those tools, check this tutorial. If you want to contact me, use this address.

What's new?

25/01/2012 : ScriptPNG updated.

23/01/2012 : pngXoptimizer 1.1 is out.

08/01/2012 : Create very compressibles images article is out.

07/01/2012 : Optimize JPG Files with FireWorks article is out.

04/01/2012 : Optimize PNG Files with FireWorks article is out.

31/12/2011 : PNG Compression Tools Comparison updated.

22/12/2011 : PNG Transparency - RGB Filtering is out.

18/12/2011 : PNG Palette Optimization updated.

04/12/2011 : PNG Tools Overview is out.

ScriptPNG

ScriptPNG is specially designed to optimize PNG files with advanced techniques. It can convert dozen of formats to PNG, and can apply multiple process of compression. Most of the time, ScriptPNG get the best time / size ratio. It can also convert files to PNG8, including alpha support, and can also optimize RBGA files (PNG24+Alpha).

ScriptJPG

ScriptJPG can optimize JPG files by optimizing huffman tables, and encode to progressive or grayscale mode. It can convert dozen of formats to JPG. Most of the time, ScriptJPG get the best time / size ratio. It can also convert a PNG+24 Alpha to JPG, by deleting the alpha channel.

pngXoptimizer

pngX is a compiled executable which optimize PNG files with a simple drag-and-drop. It's a bit less efficient than ScriptPNG, but it's much faster, do not require user action and support a better file name system. It's a ideal tool for users which want to maximize the compression / time ratio.

Fast Image Optimizer

Fast Image Optimizer is a little tool which can optimize PNG and JPG Files in a fast process, without any user intervention. Just Drag-and-Drop on it, and it'll try to optimize files. This tool is designed with good speed/result ratio, ideal for a quick Front-End Website optimization.

Photo Optimizer

Photo Optimizer can significantly reduce the size of your pictures made by a high definition camera. It reduces the definition, decreases the JPEG quality, and optimize the output JPEG. It can also create ZIP Files. This tool let you to send your pictures faster by mail.

ScriptCQ

ScriptCQ is a PNG Color Quantizer, which can reduce the number of Colors in a PNG File. It supports PNG32 files, and can convert to PNG-8 with alpha values. Several tweaks are possible to set the quantizer, to choose the best quality / size ratio.

ScriptRST

ScriptRST is a tool which have differents features. Most of them are for PNG, for testing differents methods to set PNG transparency with PNG32 files. It can also create JPG with Alpha file to simule JPG transparency, or can reduce noise for JPG files.

ScriptWEBP

ScriptWEBP is an image converter to WebP format. It supports GIF, BMP, JPG, PCX, TGA, TIF / TIFF, PNM, PBM, PGM or PNG, excluding PNG with Alpha Channel -which are converted, but without transparency-. It also converts WebP to PNG.