PNG is short for Portable Network Graphics.The purpose of the development of PNG is to replace GIF.Because PNG is superior to GIF in many ways:
(1)When keeping lossless compression,images in PNG format are the same size or slightly smaller than their GIF counterparts.
(2)PNG format supports for indexed colors, gray-scale, and RGB.
(3)PNG format supports for 2-D progressive rendering.etc.
PNF format is widely supported by the Web.
You can use HTML Converter Command Line to convert http://www.verypdf.com/htmltools/htmltools.zip .When finish loading,HTML Converter Command Line shows as a zip file and you should unzip it to a suitable directory to use.format.HTML Converter Command Line can be loaded at
HTML Converter Command Line allows you to convert web pages to PDF, PS (postscript), WMF, EMF vector formats.It also allows you to create previews or thumbnails of web pages in a number of different formats, such as TIF, TIFF, JPG, JPEG, GIF, PNG, BMP, PCX, TGA, JP2 (JPEG2000), PNM, etc.
This article can show you how to covertformat.If you have some problems about this question,you can read this article to get some useful information.
1.Run cmd.exe.You should click “start” – “run” showed in figure1 and input “cmd” in “open” edit box,then click “OK” button showed in figure2.
2.Input commands to convert html to png in cmd.exe dialog box.You should know the path of called program—htmltools.exe,the path of source file,in fact,the URL of some webpage.Please look at figure3.
The commands in cmd.exe dialog box are "C:\Documents and Settings\admin\Local Settings\Temp\htmltools\htmltools.exe" "www.verypdf.com" verypdf.png
"C:\Documents and Settings\admin\Local Settings\Temp\htmltools\htmltools.exe" means the directory of htmltools.exe.
“www.verypdf.com” means the URL of the webpage you want to convert from html to png.
verypdf.png means the target file.Don’t forget the extension name .png.
3.Find your new generated png file in C disk where you run the whole conversion of html to png.Please look at figure4.