The best free alternative to Optimizilla is ImageOptim. It's not free, so if you're looking for a free alternative, you could try ImageOptim or OptiImage. If that doesn't suit you, our users have ranked more than 25 alternatives to Optimizilla and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Optimizilla are RIOT - Radical Image Optimization Tool, TinyPNG, Oxipng and ShortPixel Image Optimizer.
ImageOptim is excellent for publishing images on the web (easily shrinks images “Saved for Web” in Photoshop). It's useful for making Mac and iPhone/iPad applications smaller (if you configure Xcode to allow better optimization).
Optimize PNG, JPEG, WebP, and SVG images efficiently with flexible lossless and lossy compression modes, metadata control, and safe mode to avoid data loss, using tools like oxipng, jpegoptim, scour, and cwebp, enhancing image storage and load efficiency.
Compress images with pixel-perfect precision using advanced algorithms that preserve quality while dramatically reducing file sizes.
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.
Using advanced lossy compression, TinyPNG reduces PNG file sizes by 50-80%, preserving full transparency and minimizing quality loss. Ideal for web designers, it increases website speed, saves bandwidth, and offers tools like a Photoshop plugin and API for seamless integration.
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.
ShortPixel is arguably the top WordPress image optimization plugin: simple to set up, it can automatically optimize both your old and new images, as well as PDF 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.
tinyPNG.App provides a GUI front end for tinyPNG for your local computer so you can optimize images using the tinyPNG API service. Available on Windows, macOS & Linux.
Imagine is a desktop app for compression of PNG and JPEG, with a modern and friendly UI. Save for web.
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