Favicon Notes

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using the GIMP

  • Open/create an image with GIMP.
  • Scale the image to 16x16 pixel (Image, Scale image).
  • Choose File, save as.. and save as favicon.pnm or favicon.ppm with raw encoding.
  • Close GIMP
  • Convert favicon.pnm resp. favicon.ppm using the command line utility ppmtowinicon:
$ ppmtowinicon -output favicon.ico favicon.ppm

Ppmtowinicon is part of the NetPBM tools.

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