XnConvert
Free
XnConvert is a powerful and free cross-platform batch image processor, allowing you to combine over 80 actions.
FastStone Photo Resizer
Free Personal
FastStone Photo Resizer is an image converter and renaming tool that intends to enable users to convert, rename, resize, crop, rotate, change color depth, etc…
JPEGmini
Commercial
JPEGmini is a photo optimization software.
Light Image Resizer
Free Personal
Light Image Resizer can resize and convert images one by one or in batch as well as other features.
PNGGauntlet
Free
PNGGauntlet is a PNG compression app for Windows.
FileOptimizer
Open Source
FileOptimizer is an advanced file optimizer featuring a lossless (no quality loss) file size reduction.
Image Tuner
Free Personal
Image Tuner is a free batch image resizing, renaming, conversion and watermarking software with a super-intuitive and straightforward interface.
Caesium
Open Source
Caesium is an image compression tool.
Compare RIOT - Radical Image Optimization Tool with alternatives
Compare XnConvert and RIOT - Radical Image Optimization Tool and decide which is most suitable for you.
Compare PNGGauntlet and RIOT - Radical Image Optimization Tool and decide which is most suitable for you.
Compare FastStone Photo Resizer and RIOT - Radical Image Optimization Tool and decide which is most suitable for you.
Compare FileOptimizer and RIOT - Radical Image Optimization Tool and decide which is most suitable for you.
Compare JPEGmini and RIOT - Radical Image Optimization Tool and decide which is most suitable for you.
Compare Image Tuner and RIOT - Radical Image Optimization Tool and decide which is most suitable for you.
Compare Light Image Resizer and RIOT - Radical Image Optimization Tool and decide which is most suitable for you.
Compare Caesium and RIOT - Radical Image Optimization Tool and decide which is most suitable for you.