Image Compressor

Image compression works by removing redundant data from the file. This includes stripping hidden metadata (like camera settings) and using mathematical models to simplify the color and detail information in a way that the human eye cannot easily detect. This results in a much smaller file size with almost identical visual quality.

Our tool is designed to provide "perceptually lossless" compression. While some technical data is removed, the image remains sharp and clear to the human eye. You can adjust the compression level to find the perfect balance for your specific needs.

Yes. FluxToolkit uses a privacy-first, browser-side architecture. Your images are processed locally on your computer and are never uploaded to any server. No one else ever sees or stores your files.

WEBP is currently the best all-around format for the web, offering superior compression to both JPEG and PNG. For photographs, JPEG is excellent, and for images with transparency, PNG is still the standard.

Our tool is optimized for high-speed processing of individual images. For the best quality control, we recommend optimizing each image to ensure the results meet your specific standards, though the browser-side logic is fast enough to handle many images in quick succession.

It depends on the original file. High-resolution JPEGs from cameras can often be reduced by 70-90%. PNGs with many colors can also see significant savings. Even already-optimized images can often be shrunk by another 10-20%.

Yes. Our compressor preserves the alpha channel (transparency) in PNG and WEBP files while optimizing the underlying color data to reduce file size.

There is no fixed limit, but extremely large files (e.g., raw photos over 100MB) will depend on your device's RAM and browser performance. For typical web and social media images, it works flawlessly.