Feel free to use this online milligrams to teaspoons converter to easily convert milligrams (mg) to teaspoons (tsp) unit within fractions of seconds.

ssh-keygen -i -f ~/.ssh/id_dsa_com.pub > ~/.ssh/id_dsa.pub

Normally I extract the embedded image with 'pdfimages' at the native resolution, then use ImageMagick's convert to the needed format:

$ pdfimages -list fileName.pdf

ls -1 *.pdf | xargs -I {} pdfimages -all {} ./images/{}
$ pdfimages fileName.pdf fileName # save in .ppm format
$ convert fileName-000.ppm fileName-000.png
this generate the best and smallest result file.

Note: For lossy JPG embedded images, you had to use -j:

$ pdfimages -j fileName.pdf fileName # save in .jpg fo...

Snippet generator for Visual Studio Code, Sublime Text and Atom. Enjoy :-)