
Caesium is an innovative image compression software designed to optimize the storage, transmission, and sharing of digital images. It supports a variety of formats including JPG, PNG, WebP, and TIFF, allowing users to effectively minimize file sizes while retaining high image quality. Users can also adjust the resolution according to their preferences, making it a versatile tool for both casual and professional use.
Key Features of Caesium Image Compressor
- Exceptional Compression Ratio: Significantly reduces file sizes while ensuring quality remains intact.
- Options for Compression: Users can choose between lossless compression—preserving image quality completely—or lossy compression for reduced file sizes.
- Batch Processing Capability: Compress multiple images simultaneously, enhancing workflow efficiency.
- Multi-Format Functionality: Seamlessly works with popular image formats such as JPG, PNG, WebP, and TIFF.
- Real-Time Preview: Enables users to view the original and compressed images side by side before finalizing the save.
Advanced Functionalities
- Custom Compression Settings: Fine-tune quality levels to achieve the best balance between image clarity and file size.
- Metadata Management: Provides options to retain or discard EXIF data embedded in images.
- User-Friendly Drag & Drop: Simplifies the image addition process with an intuitive interface.
- Rapid Processing Speeds: Facilitates quick image compression without hindering the user’s workflow.
- Open-Source Advantage: Completely free to use for Windows, promoting transparency in software development.
Updates in Caesium Image Compressor 2.8.3
- Fixed issue #322 – Users can now scroll without the need to adjust sliders.
- Restored the previous Fusion Dark Palette for enhanced user experience.
- Implemented various bug fixes including issues #330, #316, and #286.
Get Started with Caesium
You can download the latest version of Caesium Image Compressor from the following links:
- Download the Caesium Image Compressor 2.8.3 (21.9 MB) – Open Source
- Download the Caesium Portable
- For macOS users, grab the macOS version
For more information, visit the Caesium Image Compressor Home Page or check out the project on GitHub. You can also use the online app for convenient image compression on the web.

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