PeaZip provides a basic set of tools to edit graphic file
types, accessible from application's context menu and selecting Image
manager tool bar.
Rotate images left / right
The first area of batch
editing and management tool
bar contains rotate left /
right (counterclockwise / clockwise) buttons and a dropdown menu
with more rotation features
(180°, flip vertically and mirror horizontally), i.e. for setting
correct portrait / landscape orientation of photoes and graphic files.
Crop button opens a
dialog that allows to crop
(top, bottom, left, right) of
selected images of a given amount, expressed in percentage or in
pixels. This utility allows to reduce the size of the graphic file
removing unnecessary data, and to improve the quality of the picture
i.e. regulating the offset of a photo on each side.
Transform button opens a
dialog to batch resize and/or convert
Resize images (scaling and fit to screen)
Picture transformation dialog allows to resize the
picture to a specified pixel size
or resize the picture to specified
percentage, either maintaining aspect ratio (keeping proportion
between width and height sizes) or applying a deformation to the image
- either expressed as new pixel width and height, or as percentage of
the two dimensions of the image.
Alternatively, transformation can fit
the image to specified screen size, reducing the image width and
height in order to be completely contained in the provided screen size,
or let the original picture size and proportions unchanged.
Convert image format i.e. PNG to JPEG
Convert picture format
function in transformation dialog allows to save the input graphic file
in the specified output file format; JPEG, PNG or BMP (raw RGB bitmap
For JPEG format it is available a dialog to set lossy JPG
compression quality from 0 to 100, lower quality provides better
compression ratio, but introduces more JPG compression artifacts.
Conversely, high quality JPG images will occupy more space on disk.
The dropdown menu on the right of Transform button provides quick
access to most common image transformation operations: resize to a given percentage, fit image to most common screen sizes,
convert picture to JPG, or PNG, or BMP format.
Whenever a graphic file (or group of pictures) is modified, the user is
prompted to overwrite or preserve original files, automatically
renaming new transformed graphic files - this is especially useful as
most operations on pictures involves lossy algorithms to be applied,
which cannot be inverted to restore the original graphic data if the
original copy was not kept.
Last area contains Find duplicate
graphic files, a fast crc/hash based deduplication tool to batch
highlight identical picture files, Rename button, and file management
menu to complete the toolbar providing additional useful features to
collections of images or photo.
information about image
External online resources: crop and resize
Topics and serach suggestions: image editor tool, rotate left / right,
crop, resize /
picture, fit to
screen, convert graphic
file type, optimize size of images wiki, reduce disk occupation of
pictures collections, edit JPEG, PNG, TIFF, GIF, BMP,
raw files, image scaling and cropping utility.