how to type Greek characters in GIMP
How to join PDF files using free PDFtk on any platform.
DraftSight 2-D CAD actually outputs PDF even when EPS is selected. Convert PDF to SVG vector graphics for high resolution diagram on a webpage without downlo...
Extract full-quality raw images from PDF on any operating system.
You can extract page(s) from PDF files for free from any operating system with PDFtk or Ghostscript.
ImageMagick one-liner to convert PNG to PDF, one or many. Works on any operating system.
how to save stack of images into FITS file with ImageJ.
These simple exiftool commands strip almost all geotags from photos. It’s up to you to verify.
free editor for PDF in Linux: Master PDF Editor
Suggested prereqs and options for compiling ImageMagick for science image processing.
Imagemagick can show you a histogram from the command line, but maybe you’d rather do this with Python for programmatic use.