Alternatives to Caesium Image Compressor for all platforms with any license

ImageOptim

Reduces the file sizes of images without quality loss by removing bloated metadata.

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

71 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
Change image size Add a feature

82 Like
FileOptimizer

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

Free Open Source Windows Wine
Supports loads of file formats Drag n drop Compression Portable Add a feature

37 Like
Squoosh

Compress and compare images with different codecs, right in your browser. Squoosh is an image compression web app that allows you to dive into the advanced options...

Free Open Source Web
No features added Add a feature

14 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

27 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

17 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
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E-mage

From developers to developers: a cross-platform tool for losslessly image compression.

Free Open Source Mac Windows Linux
Customizable PNG Compression Add a feature

6 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
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

5 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
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