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.
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).
See: ScriptPNG, Free PNG OptimizerScriptJPG 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.
See: ScriptJPG, Free JPG OptimizerpngX 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.
Download: pngXoptimizer, PNG OptimizerFast 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.
See: Fast Image OptimizerPhoto 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.
See: Photo OptimizerScriptCQ 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.
See: ScriptCQ, Free PNG Color QuantizerScriptRST 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.
See: ScriptRST, PNG Transparency tweakerScriptWEBP 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.
See: ScriptWEBP, Free WebP ConverterJPGBox is a JPG file optimizer and packer. It can reduce file size more than 30% without any loss of quality, and pack your JPG files in a special format, which have to be decoded before using. It also supports lossy storage by quality degradation.
See: JPGBox, Free JPG PackerScriptINFO is a simple image analyser which can display basics informations like Width, Height, Size, or Number Of Colors in a PNG or JPG files. It can display more technical informations as optimization settings used in those pictures to help you to compress them further.
See: ScriptINFO, PNG and JPG infosUsers tricks, as color reduction or other. All techniques described is this article are
lossless for Web, as the PNG Palette Optimization. Most of them are supported by ScriptPNG.
lossymethods. That's mean the original file is modified, to be better compatible -enhance IE6 PNG's support. See also PNG Transparency - RGB Filtering.
C:\PNG). Do not name your folder with space like
New Folder;