Image Optimizer is a simple program that provides lossless compression.
The app is built with Gtk.
This is free and open source software.
Key Features
- Compress bmp, jpg / jpeg, png, pnm and tiff with lossless compression.
- Works offline, always ready where and whenever needed.
- A clean interface, optimize your images effortlessly.
- Easily quit the application by pressing Ctrl + Q.
- Add extra images without having to close the app through a button or dragging images into the window.
- Internationalization support.
Website: github.com/GijsGoudzwaard/Image-Optimizer
Support:
Developer: GijsGoudzwaard
License: MIT License

Image Optimizer is written in Vala. Learn Vala with our recommended free books and free tutorials.
Related Software
| GUI Image Compression Tools | |
|---|---|
| XL Converter | Easy-to-use image converter for modern formats |
| Imagine | Software to compress PNG, JPEG and WebP images |
| Caesium | Simple to use image compression tool |
| Curtail | Lossless and lossy compression modes (PNG, JPEG and WEBP) |
| YOGA Image Optimizer | Convert and optimize JPEG, PNG and WebP images |
| OptiImage | Useful image compressor that supports PNG, JPEG, WebP and SVG |
| Image Optimizer | Simple lossless compression |
| Halftone | Apply a pixel art-like style and reduce the file size in the process |
| PicSharp | Cross-platform desktop image compression application |
| Trimage | Cross-platform tool for losslessly optimizing PNG and JPG files |
| E-Mage | Cross-platform tool for losslessly image compression |
| Drop Compress Image | Convert and compress images |
Read our verdict in the software roundup.
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