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PUBLIC MARKS with tag png

January 2012

December 2011

PNG and JPG Optimization

by emmanuelc & 3 others
PNG and JPG Optimization, Freewares and Articles for Web

November 2011

October 2011

OptiPNG Home Page

by srcmax & 3 others
OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections. If you wish to learn how PNG optimization is done, or to know about other similar tools, read the PNG-Tech article A guide to PNG optimization.

July 2011

Trimage image compressor

by emmanuelc & 1 other
A cross-platform tool for losslessly optimizing PNG and JPG files.

May 2011

April 2011

December 2010

November 2010

PunyPNG - PNG Compression and Image Optimization - Gracepoint After Five

by srcmax & 1 other

Compress PNG, JPEG, and GIF images

PunyPNG is a free website optimization tool that dramatically

reduces the file size of your images without any loss of quality.

PNG background-repeat bug in Internet Explorer 7 and 8 « SteveLove.org

by srcmax

For this project, I have a page template with several container elements that all have a 1 pixel by 1 pixel PNG background set to repeat, and it looks great when testing it in IE 7 and IE 8. So, I created my next page template with the same styling. This time, IE 7 and 8 both choked when handling the background-repeat. Instead of repeating, both of these browsers inexplicably tried to stretch the 1×1 image across the entire container. The PNG happened to have 60 percent alpha transparency, but I’m not sure that matters. A coworker suggested making it a 10×10 pixel image instead, just to see what happens. Surprise, surprise. That fixed it.

October 2010

JPEGs with Alpha Channels?!? | jackadamblog

by karlcow

using an HTML5 canvas element and then inserted into the DOM. The results look the same as using a normal 24-bit PNG but are one-half to one-sixth the size. In one case we got a 573KB 24-bit PNG down to a 49KB JPEG with a 4KB PNG alpha-mask!

September 2010

ImageAlpha — GUI for PNG8 alpha image converters

by nhoizey & 1 other
ImageAlpha is a GUI for pngnq and pngquant. It allows you to easily generate paletted PNG images with full alpha channel and test how it will look against different backgrounds.

August 2010

data: URI Generator - Convert Online Tool for Icon, image to import it in greasemonkey Script - dopiaza.org

by decembre
data: URI Generator The data: URI scheme allows you to build URLs that embed small data objects. data: URIs are supported by most modern browsers except for Internet Explorer. The lack of IE support is holding back widespread adoption of data: URIs, but they are still very useful in a couple of specific areas such as embedding graphics and other data items in Greasemonkey scripts. You can read more about data: URIs and see some examples of their use, or use the generator below to create your own. data: URIs are defined in RFC 2397.

Image analysis on the cheap

by karlcow

The trick is that PNG files are an easy to read, even from high level scripting languages like Python. So you can use the App Engine Image Manipulation Service to convert an image into a smallish PNG, then read the raw data using a pure python library like pypng:

PNGStore - Embedding compressed CSS & JavaScript in PNGs

by karlcow

storing JavaScript and CSS in PNG files

wicked

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