Apps similar to 4K Image Compressor include Image Toolbox, which is free and open source. Other options are Caesium Image Compressor, ImageOptim, FileOptimizer and Squoosh. Image Optimizers like 4K Image Compressor are a crowded field, with more than 50 alternatives for Windows, Mac, Linux, the web and Android.
Phatch is an user friendly, cross-platform Photo Batch Processor and Exif Renamer with a nice graphical user interface. Phatch handles all popular image formats and can duplicate (sub)folder hierarchies.
Belgium
EU
Curtail (previously ImCompressor) is a useful image compressor, supporting PNG and JPEG file types. It support both lossless and lossy compression modes with an option to whether keep or not metadata of images. It is inspired by .
AdvanceCOMP is a collection of recompression utilities for your .ZIP archives, .PNG snapshots, .MNG video clips and .GZ files.
Minuimus is a file optimizer utility script: You point it at a file, and it makes the file smaller without compromising the file contents.
Effortlessly edit images with batch compression, scaling, cropping, rotation, and format conversion. Convert PDFs to images, create PDFs from images, package images, and more. Explore EXIF data, preview material themes, and pick colors from images.
China
PngOptimizer compresses graphics files and removes extra, unnecessary data without affecting quality. It will update PNG files or converting BMP, GIF or TGA files to the PNG format using simple drag-and-drop.
Utilities for archiving photos for saving to long term storage or serving over the web. The goals are: use a common, well supported format (JPEG), minimize storage space and cost, identify duplicates / similar photos.
United States
Native macOS batch processor that compresses, resizes, crops, renames, watermarks, and converts JPG, PNG, WebP, HEIC, HEIF, and AVIF images offline. It offers 17 crop presets, per-image crops, presets, reports, previews, and parallel processing.
Canada
PhotoBulk is easy-to-use bulk image editor that lets you add text/image watermark, resize, and optimize hundreds and thousands of images or photos in just one click.
United States
ImBatch is a batch image processor with a nice graphical user interface. It will allow you to edit multiple image files at the click of a button by using scripts. The script will be created by combining Tasks.
Ukraine
Italy
