ImageResizer

Dedicated to expert users, ImageResizer is a comprehensive tool developed to change the dimensions of your pictures and save them with different formats. It offers support for PNG, JPEG, BMP and GIF format, as well as numerous graphic optimization algorithms.

The program's wrapped up in a single .exe file that can be saved in a custom location on the HDD or copied to a USB flash drive, in order to seamlessly run it on any computer.

Just keep in mind that .NET Framework must be installed, otherwise it won't launch. It doesn't modify your system registry settings but it auto-creates and updates an .xml file to remember your configuration on exit.

The GUI doesn't put emphasis on looks but it has a neatly structured layout that gives you an overview of the important options. The source and output images can be previewed in the main window with their actual size, fitted to the screen, or stretched.

You can specify the new width and height in pixels, keep or disregard the aspect ratio, and choose a border pixel handling method for the horizontal and vertical between constant extension, half or whole sample symmetric, and wrap around).

In the following step, you can select one of the many interpolation modes available: nearest linear, bicubic, bilinear, high quality bilinear or bicubic, Welch, Hann, Gauss, Cauchy, Lanczos, Poisson, SuperEagle, and others.

Scripts with customized settings can be created and loaded for repetitive tasks. If you're satisfied with the resulted image, you can save it with the same format or different one.

It carried out resizing tasks swiftly in our tests while remaining light on system resources usage. Thanks to its intuitive interface and advanced features, ImageResizer should meet the requirements of experienced users.