New answers tagged image-processing
I recommend the "Awesome Screenshot" extension, You can easily add there text, simple arrows and other shapes. Google Chrome https://chrome.google.com/webstore/detail/awesome-screenshot-screen/nlipoenfbbikpbjkfpfillcgkoblgpmj Firefox https://addons.mozilla.org/en-US/firefox/addon/awesome-screenshot-capture- Opera ...
jpegoptim performs lossless compression of JPEG images optipng performs lossless compression of PNG images
You could do worse than to use the screen capture tool scrot and open the resulting screenshot directly in gimp: scrot -q 100 -e 'gimp $f' You can set this particular commandline to a key, I illustrate here mapped to F6: Or you can simply run it from the commandline with the glorious addition of a timer and delay: scrot -d 10 -c -q 100 -e 'gimp $f' ...
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