ImageAlpha Alternatives for Windows

ImageAlpha is not available for Windows but there are some alternatives that runs on Windows with similar functionality. The best Windows alternative is RIOT - Radical Image Optimization Tool, which is free. If that doesn't suit you, our users have ranked more than 10 alternatives to ImageAlpha and nine of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to ImageAlpha are Oxipng, Minuimus, ECT - Efficient Compression Tool and Color Quantizer.

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ImageAlpha alternatives page was last updated Mar 30, 2025

RIOT - Radical Image Optimization Tool
100 likes
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 choosing the right parameters are the key factors of smaller files.
99 RIOT - Radical Image Optimization Tool alternatives
Cost / License
Free
Proprietary
Application types
Image Optimizer
File Compressor
Origin
Romania
EU
Platforms
Windows
GIMP
XnView
IrfanView
Is this a good alternative to ImageAlpha?
RIOT - Radical Image Optimization Tool is the most popular Windows alternative to ImageAlpha.
RIOT - Radical Image Optimization Tool is Free and ProprietaryImageAlpha is Free and Open Source
RIOT - Radical Image Optimization Tool is LightweightImageAlpha is not according to our users
Oxipng
7 likes
Oxipng is a multithreaded lossless PNG compression optimizer in Rust. It can be used via a command-line interface or as a library in other Rust programs.
Cost / License
Free
Open Source (MIT)
Application types
Image Optimizer
File Compressor
Platforms
Mac
Windows
Linux
Squoosh
Is Oxipng a good alternative to ImageAlpha?
Minuimus
5 likes
Minuimus is a file optimizer utility script: You point it at a file, and it makes the file smaller without compromising the file contents.
Cost / License
Free
Open Source
Application types
Image Optimizer
File Compressor
Platforms
Windows
Linux
Is Minuimus a good alternative to ImageAlpha?
ECT - Efficient Compression Tool
4 likes
C++ file optimizer. It supports PNG, JPEG, GZIP, and ZIP files.
Cost / License
Free
Open Source (Apache-2.0)
Application types
Image Optimizer
File Compressor
Platforms
Mac
Windows
Linux
Is this a good alternative to ImageAlpha?
Color Quantizer
4 likes
Color quantizer is a small program allows you to easily optimize images for web.
Cost / License
Free
Proprietary
Application type
Image Optimizer
Origin
Russia
Platforms
Windows
Is Color Quantizer a good alternative to ImageAlpha?
Optimizt
1 like
Optimizt is a CLI tool that helps you prepare images during frontend development.
Cost / License
Free
Open Source (MIT)
Application type
Image Optimizer
Origin
Russia
Platforms
Mac
Windows
Linux
BSD
npm
Is Optimizt a good alternative to ImageAlpha?
Black Bird Image Optimizer
2 likes
Optimize pictures without quality lossless. With Black Bird Image Optimize - you can reduce the size of your photos several times without quality loss!.
77 Black Bird Image Optimizer alternatives
Cost / License
Freemium (Pay once)
Proprietary
Application type
Image Optimizer
Origin
Ukraine
Platforms
Windows
+1
Is this a good alternative to ImageAlpha?
Ximagic Quantizer
Like
Ximagic Quantizer is a Photoshop plugin for image color quantization (color reduction) & dithering.
Cost / License
Paid
Proprietary
Platforms
Mac
Windows
Adobe Photoshop
Is Ximagic Quantizer a good alternative to ImageAlpha?
Papa's Best Optimizer
Like
Shrinks images and documents losslessly by optimizing existing compression. Run it comfortably in the background to save hard disk space and bandwidth.
Cost / License
Free
Proprietary
Application types
Image Optimizer
File Compressor
Platforms
Windows
Is this a good alternative to ImageAlpha?