How can I reduce JPEG file size in KB on Windows 11 without losing quality?

Caesium Image Compressor is an open-source program that can precisely reduce jpeg file size in kb on Windows 11, giving you full control over the process and ensuring that files are strictly kept under 100 KB.

The software supports compressing hundreds of JPEG files at once, but you’ll need to download and install it from its official website or GitHub to use it.

First, after opening the program, drag and drop your JPEG files into the program window.

Next, go to the settings options at the bottom: set the quality to 80, select an output folder to avoid overwriting the original high-quality photos, and then click “Compress.” The software will process the photos and display how many KBs of space you’ve saved in a side-by-side comparison.

Once compression is complete, you can find all the resized photos in the selected output folder.

This method allows you to reduce jpeg file size in kb on Windows 11, but it requires installing third-party software, so it’s only suitable for users who need to compress a large number of JPEG files at once.

If you don’t want to use online tools or risk losing image quality by adjusting settings based on intuition, you can try this method. Since this is a powerful batch compression solution, we recommend testing it on a small number of files first to ensure the compressed image quality meets your needs.