External tools are programs which Gwenview can start to do various things with your images. They are available when you right-click on an image in the "External tools" sub menu.
Gwenview comes with a few predefined external tools, such as "Set as wallpaper", but you can very easily add more of them using the external tool dialog. This dialog is available from the menu: "Settings > Configure External Tools...".
Here are a few example of tools you can add to accomplish different task. If you think we are missing some usefull tool, let us know and we will add them to the list.
|Task||Tool||Command line||Associate with|
|Batch renaming||GwenRename||gwenrename %F||All files|
|KRename||krename %F||All files|
|Batch image resizing||Picwiz||picwiz %U||All images|
|KMagickResize||python /usr/local/bin/kmagickresizegui.py %F||All images|
|.ico extraction||Icoutils||icotool -x %f||image/x-ico|
|Send by email||KMail||kmail --attach %u||All files|
|Find big files||FileLight||filelight %u||inode/directory|
|Regenerate EXIF thumbnails from JPEG||Exiftran||exiftran -i -g %F||images/jpeg|
|Autorotate JPEG images according to EXIF Orientation tag||Exiftran||exiftran -i -a %F||images/jpeg|
|Remove EXIF thumbnails from JPEG||JHead||jhead -dt %F||images/jpeg|