Caesium Image Compressor

Caesium is a free and open source image compressor software that can reduce image file sizes by up to ninety percent without visible quality loss. The software supports popular image formats including JPEG, PNG, WebP, and TIFF, providing both lossy and lossless compression modes to accommodate different use cases and quality requirements. Caesium offers batch compression functionality that allows users to process hundreds of images simultaneously, making it ideal for photographers, web designers, and content managers who need to optimize large image libraries for faster website loading times and reduced storage costs. The platform provides a desktop application for Windows and Linux systems with advanced features like directory monitoring, compression presets, and metadata preservation. Caesium also offers an online compression tool for quick single file processing without installing any software. The project is open source and maintained on GitHub.