Pictor is a free image editor for the best photo editing.

 Pictor is a free image editor for the best photo editing. Pictor is an excellent and free photo editing software. Its great feature is the support for batch editing. Pictor isn't as feature-rich as Photoshop or GIMP, but it does have some great features.

This program is portable and its interface is very simple.
In this program, you can create new photos, and create new collages according to many patterns in the gallery.

After loading an image into the program, it can be rotated as desired, images can be added to collages, and images can be saved.
Pictor supports JPEG, GIF, PNG, TIFF, BMP, WBMP, EJPG, PL, EPL, MPO, EMPO, WebP, PBM, PGM, and PPM formats.
Click here to download this software.