How to convert one image format to another via command line

There are hundreds of different image formats. They are split into two different categories. Vector graphics and Raster graphics

List of common image formats

Raster graphics	Vector graphics
Name Extension PNG .png Bitmap .bmp JPEG .jpg or .jpeg GIF .gif TIFF .tif or .tiff	Name Extension SVG .svg Postscript .ps Encapsulated Postscript .eps PDF .pdf

more complete list

Conversion Software

• ghostscript: http://ghostscript.com/
• skencil: http://www.skencil.org/
• pstoedit: http://www.pstoedit.net/
• png2ico: http://www.winterdrache.de/freeware/png2ico/
• libicns: http://icns.sourceforge.net/
• inkscape: http://www.inkscape.org/
• imagemagick: http://www.imagemagick.org
• Able Batch Converter:http://www.sharewareguide.net/Utilities/File-Disk-Management/able-batch-converter.html

Raster to Raster Conversion

Imagemagick Convert

Supported Conversions

JPG to PNG	PNG to JPG
PNG to BMP	BMP to PNG
PNG to GIF	GIF to PNG
PNG to TIFF	TIFF to PNG
many more

• Full list of convertable format
  • R means Imagemagick can only read that format, it can not convert to that format
  • RW means Imagemagick can read that format, and can convert to that format

Requirements

• imagemagick

non utile cazzo

Requirements

• png2ico

commands

• png2ico FILE_IN.png FILE_OUT.ico

PNG to ICNS

Requirements

• libicns

commands

• png2icns FILE_IN.png FILE_OUT.icns

Vector to Vector Conversion

EPS to SVG

Requirements

• ghostscript
• skencil
• pstoedit

commands

• eps2eps -dNOCACHE FILE_IN.eps temp1.eps
• pstoedit -f sk temp.eps temp.sk
• skconvert temp.sk FILE_OUT.svg

Script

• http://openiconlibrary.sourceforge.net/eps2svg.html

SVG to EPS

Requirements

• inkscape

commands

• inkscape -f FILE_IN.svg -E FILE_OUT.eps

SVG to PDF

Requirements

• inkscape

commands

• inkscape -f FILE_IN.svg -A FILE_OUT.pdf

EPS to SK

Requirements

• ghostscript
• pstoedit

commands

• eps2eps -dNOCACHE FILE_IN.eps temp1.eps
• pstoedit -f sk temp.eps FILE_OUT.sk

Vector to Raster Conversion

SVG to PNG

Requirements

• inkscape

commands

• inkscape -f FILE_IN.svg -w 256 -h 256 -e FILE_OUT.png
  • for a png width=256, height=256