Difference between revisions of "Pngcrush or optipng or advancecomp"

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<yambe:breadcrumb self="Pngcrush or optipng or advancecomp">Image processing tools|Image processing tools</yambe:breadcrumb>
We can compress png images (especially the once created by using colored scanner) using '<tt>pngcrush</tt>', '<tt>optipng</tt>' or '<tt>advancecomp</tt>' tools.  
We can compress png images (especially the once created by using colored scanner) using '<tt>pngcrush</tt>', '<tt>optipng</tt>' or '<tt>advancecomp</tt>' tools.  


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<tt>advancecomp</tt> also seems to give best compression and response time in comparison to others.
<tt>advancecomp</tt> also seems to give best compression and response time in comparison to others.
<yambe:breadcrumb self="Pngcrush or optipng or advancecomp">Image processing tools|Image processing tools</yambe:breadcrumb>

Revision as of 10:53, 9 September 2018

<yambe:breadcrumb self="Pngcrush or optipng or advancecomp">Image processing tools|Image processing tools</yambe:breadcrumb> We can compress png images (especially the once created by using colored scanner) using 'pngcrush', 'optipng' or 'advancecomp' tools.

pngcrush

pngcrush can be used as follows:

mkdir output
pngcrush -d output -brute -l 9 -v file1.png file2.png ... filen.png


optipng

optipng can be used as follows:

mkdir output
cp file1.png file2.png ... filen.png output
cd output
optipng -o7 *


advancecomp

advancecomp can be used in following manner:

advpng -z4 file1.png

advancecomp also seems to give best compression and response time in comparison to others.


<yambe:breadcrumb self="Pngcrush or optipng or advancecomp">Image processing tools|Image processing tools</yambe:breadcrumb>