Caesium Image Compressor

Caesium Image Compressor 2.8.5

Compress your pictures up to 90% without visible quality loss.

  • By SaeraSoft
  • Open Source
  • Updated May 17, 2025
Download for Windows

About Caesium Image Compressor

Caesium is an image compression software that helps you store, send and share digital pictures, supporting JPG, PNG, WebP, and TIFF formats. You can quickly reduce the file size (and resolution, if you want) by preserving the overall quality of the image.

What's new in 2.8.5

Note
This might be the latest version of the v2 cycle. I'm starting to work to the v3.0.0 version to address a lot of suggestions, feature requests and general improvements. You can participate in the development in this discussion thread.
Bugfixes
- Fix #336 - Fix to font not showing correctly
What's Changed
- Update installer script and language files by @bovirus in https://github.com/Lymphatus/caesium-image-compressor/pull/341
- Update Cmakelist.txt by @bovirus in https://github.com/Lymphatus/caesium-image-compressor/pull/345
- Update entire CImageTreeModel table on compression finish. by @AlexeyPeov in https://github.com/Lymphatus/caesium-image-compressor/pull/347
- Add german translation by @binghamfluid in https://github.com/Lymphatus/caesium-image-compressor/pull/350
New Contributors
- @bovirus made their first contribution in https://github.com/Lymphatus/caesium-image-compressor/pull/341
- @AlexeyPeov made their first contribution in https://github.com/Lymphatus/caesium-image-compressor/pull/347
- @binghamfluid made their first contribution in https://github.com/Lymphatus/caesium-image-compressor/pull/350
Full Changelog：https://github.com/Lymphatus/caesium-image-compressor/compare/v2.8.4...v2.8.5

Full release notes »

Technical details

PublisherSaeraSoft
AuthorMatteo Paonessa
Version2.8.5
Release date2025-05-17
LicenseGPL-3.0
Installer typeinno, portable
Architecturex64
Package IDSaeraSoft.CaesiumImageCompressor

Links & install command

Install Caesium Image Compressor from the command line with Windows Package Manager (winget):

winget install --id=SaeraSoft.CaesiumImageCompressor -e

imagejpgphotopicturewebpfilesizediskspaceimagecompressingimagecompressionimagecompressorimageoptimizationpngcompressionpngoptimizationoptimizeroptimiseroptimizing

Older versions

  • 2.6.0
  • 2.5.1
  • 2.5.0
  • 2.4.1
  • 2.4.0
  • 2.3.1
  • 2.3.0
  • 2.2.1
  • 2.2.0

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