Caesium Image Compressor: Compress Images up to 90% without changing quality

High resolution pictures look sharp and crisp but they take more space on your computer and also take time to get uploaded on the social networking website or even in a mail. If you are into blogging, you might surely have come through the issue of high resolution images. It not just takes longer to upload them into your blog, but also slows down your page speed and occupied more disk space.

Batch compress & optimize images

Caesium Image Compressor

Although we can always compress the images, it reduces the original visual quality. Caesium is an easy-to-use image compressing tool that can reduce the size of pictures up to 90%, without making any changes to the original visual quality. You can compress many pictures together with Caesium image compressor.

This can also help you free lot of disk space and increase the available disk space on your Windows PC. Compressed images are easier to attach on email and to upload on social networking platforms.

Available only for Windows OS, this tool has a very simple and user-friendly interface and even a beginner can use it very easily.

Features of Caesium Image Compressing Tool

  • It supports a wide range of file format and can compress image files saved in any file format such as JPG, PNG, JPEG, WMF or BMP. After compressing it saves the images in BMP, PNG and JPG.
  • Caesium allows compressing the images in bulk. You can set the compression level, image size and quality changes for every picture individually or can also apply it to bulk.
  • Caesium has a preview mode where you can check the compression results before saving them. You can check all the details of the compressed picture with zoom before you save them to final folder.
  • Drag and drop feature makes it ever simpler and handy tool for compressing images.
  • You can select the output folder directly from the tool.

Important Note

Adding or removing the image files in Caesium is absolutely simple. A point to keep in mind is that, when you delete the image from Caesium, it deletes it from your hard drive as well.

If you notice that the original file from the disk deleted when you add it in Caesium.  Go to the “Compression Settings” from “Tools” bar or from direct “Settings”   tab and uncheck “Delete the original file from disk”.Caesium options

Caesium Image Compressor free download

Overall Caesium is a very convenient and easy to use and very useful tool with many pros and no cons. It is absolutely free and carries no hidden charges. Head over to its home page to download it.

If you are looking for similar free software, you can also check out FILEminimizer Pictures and Radical Image Optimization Tool.

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Shiwangi is a qualified writer and a blogger, who loves to dabble with and write about computers. While focusing on and writing on technology topics, her varied skills and experience enables her to write on any topics which may interest her. Creating a System Restore Point first before installing a new software, and being careful about any third-party offers while installing freeware is recommended.


  1. Ash

    Thank you for reviewing this program but the title is wrong! Without changing quality?!

    Caesium provides two options to modify the output size of an image, quality and image size. I tried it on over 300 images and set the quality to 100% and the output size was bigger for almost all of them.

    It may be useful for RAW images but in that case, every other image processing program offers the same functionality. However, Caesium is free, simple to use and the interface is uncluttered.

    I’m still using Photoscape. It includes a complete set of tools such as photo editing options, filters, borders as well as a batch editor.

  2. animatron

    agreed. photoscape is the best free app ive tried after updating my office and lost the lovely photo manager app.
    btw, photoscape creates animated gifs too. i like it. ^_^

  3. Qeana is the best, please, compare results

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