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How to crop the black borders in a screenshot
• with XnView, a free software (tutorial made by vilero):
http://imcdb.opencommunity.be/forum_topic-6311-47099-Cropping.html#p47099
XnView works apparently only with the Windows OS. GNU/Linux and Mac OS (and Windows) users can use XnViewMP, said to be "the enhanced version to XnView".
• with GIMP, a free and open-source software:
http://www.gimp.org/tutorials/GIMP_Quickies/#crop
Batch cropping is also possible using the DBP plugin (there is also the BIMP plugin. But it doesn't work on my computer, so I can't say if it is effective...).
GIMP was first intended to GNU/Linux OS to offer a free and open-source "PhotoShop contender", but Mac and Windows versions are also available (click on the Show other downloads link in the downloads page to see them).
• with ImageMagick, a free and open-source command-line software:
For fast scripts in a command-line window. ImageMagick runs on Linux, Windows, Mac Os X, iOS, Android OS, and some others.
For 720x306 pictures with 2px bars left and right and 3px ones top and bottom:
∗ single picture
convert -crop 716x300+2+3 OldPicture.jpg NewPicture.jpg
∗ batch conversion:
mogrify -crop 716x300+2+3 *.jpg
Just note that mogrify replaces the original pictures with the modified ones, makes no backup and keep in mind that Ctrl+Z don't work in command-line. This tool requires some self-confidence (or systematic use of backups)
(© Pierre Beteille)
• with XnView, a free software (tutorial made by vilero):
http://imcdb.opencommunity.be/forum_topic-6311-47099-Cropping.html#p47099
XnView works apparently only with the Windows OS. GNU/Linux and Mac OS (and Windows) users can use XnViewMP, said to be "the enhanced version to XnView".
• with GIMP, a free and open-source software:
http://www.gimp.org/tutorials/GIMP_Quickies/#crop
Batch cropping is also possible using the DBP plugin (there is also the BIMP plugin. But it doesn't work on my computer, so I can't say if it is effective...).
GIMP was first intended to GNU/Linux OS to offer a free and open-source "PhotoShop contender", but Mac and Windows versions are also available (click on the Show other downloads link in the downloads page to see them).
• with ImageMagick, a free and open-source command-line software:
For fast scripts in a command-line window. ImageMagick runs on Linux, Windows, Mac Os X, iOS, Android OS, and some others.
For 720x306 pictures with 2px bars left and right and 3px ones top and bottom:
∗ single picture
convert -crop 716x300+2+3 OldPicture.jpg NewPicture.jpg
∗ batch conversion:
mogrify -crop 716x300+2+3 *.jpg
Just note that mogrify replaces the original pictures with the modified ones, makes no backup and keep in mind that Ctrl+Z don't work in command-line. This tool requires some self-confidence (or systematic use of backups)
(© Pierre Beteille)