Alternatives to Squash - Web Image Compression for all platforms with any license

ImageOptim

ImageOptim makes images load faster. Removes bloated metadata. Saves disk space & bandwidth by compressing images without losing quality.

Free Open Source Mac Web Software as a Service (SaaS)
Remove EXIF Data Lossless Compression Support for Multiple threads PNG Compression Add a feature

68 Like
Caesium Image Compressor

Caesium Image Compressor lets you compress your pictures up to 90% without visible quality loss. Providing a simple yet effective interface with a real-time preview and...

Free Open Source Mac Windows Linux Web Android
Batch rename files Batch processing Drag n drop Multiple languages ... Portable Add a feature

33 Like
RIOT - Radical Image Optimization Tool

Saving images for web/email/other media with the best compression ratio and quality is a difficult task if you don’t have the right tools. Choosing the right format then...

Free Windows GIMP XnView IrfanView
No features added Add a feature

80 Like
FileOptimizer

FileOptimizer is an advanced file optimizer featuring a lossless file size reduction.

Free Open Source Windows Wine
Drag n drop Easy to use Compression Open Source apps ... Portable Supports loads of file formats Add a feature

30 Like
FastStone Photo Resizer

Convert and Rename images in batch mode Support JPEG, BMP, GIF, PNG, TIFF and JPEG2000 Resize, crop, change color depth, apply color effects, add text, watermark...

Free Personal Windows
Batch processing Image Editing Image resizing Watermarking Add a feature

25 Like
pngquant

pngquant is a command-line utility and a library for lossy compression of PNG images. The conversion reduces file sizes significantly (often as much as 70%) and...

Free Open Source Mac Windows Linux
Image Processing Add a feature

9 Like
Image Resizer for Windows

Image Resizer for Windows is a utility that lets you resize one or more selected image files directly from Windows Explorer by right-clicking. It was created as...

Free Open Source Windows Windows Explorer
Windows Explorer extension Add a feature

16 Like
Phatch

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...

Free Open Source Mac Linux
Batch rename files Batch processing Drag n drop Watermark images Add a feature

27 Like
PhotoBulk

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. ...

Commercial $ $ $ Mac
Batch processing Drag n drop Image Editing Watermark images ... Image Preview Add a feature

17 Like
PngOptimizer

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...

Free Open Source Windows Linux PortableApps.com
Portable Add a feature

16 Like
Converseen

Converseen is a free cross-platform batch image processor for Windows and Linux that allows you to convert, resize, rotate and flip an infinite number of images with a...
- Warning Installation without activation key works showing different dangerous 3rd party softwares (bloatware, spyware, etc.). Avast Antivirus detected at least 3 different kind of viruses (or potentially viruses/dangerous software).
Free Open Source Windows Linux
Batch conversion Support for Batch Mode File Renaming Add a feature

10 Like
Ralpha Image Resizer

Ralpha Image Resizer is a lightweight and portable program that can perform image operations in batch mode, such as resizing and applying filters.

Free Windows
Batch conversion Batch processing Drag n drop Image Processing ... Watermark images Add a feature

4 Like
JPEG Archive

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...

Free Open Source Mac Windows Linux BSD
Image Processing Add a feature

4 Like
Pingo Web Image Optimizer

Experimental, fast Web PNG/JPG optimizer which offer lossless, visually lossless or lossy compression. it performs image reductions over iterations thanks to recursive...

Free Mac Windows Linux
Compression Image Processing Lossless Compression PNG Compression ... Svg export Add a feature

2 Like
Optimage

Optimage is an advanced image optimization tool to compress images without losing quality at highest compression density. It supports all popular image formats including...

Freemium $ $ $ Mac
Lossless Compression PNG Compression Support for Batch Mode Command line interface ... Drag n drop Remove EXIF Data Image Processing Portable Reduce size Add a feature

3 Like