Image size reducer
Reduce Image Size Online
Make an image file smaller in KB so it fits an upload limit, an email, or a fast-loading page.
Your image is processed in your browser and never uploaded to our servers.
Fast
Compress images in seconds.
Private
Images are processed locally in your browser.
Free
No account required for basic compression.
Simple
Choose your target size and download.
About Image compression
"Image size" can mean file size (KB/MB) or dimensions (pixels). This tool reduces file size. To change pixel dimensions, use Resize Image.
Pick a target such as 100 KB. Fylix lowers quality first and only reduces dimensions when the target can't be reached otherwise.
Frequently Asked Questions
Resizing changes the pixel dimensions. Compressing reduces the file size by encoding the image more efficiently. Fylix compresses first and only reduces dimensions when a target can't be reached otherwise.
Upload your image, select 100 KB as the target size and click Compress Image. Fylix lowers quality and, if needed, dimensions until the file is under 100 KB.
Your images are processed in your browser on your own device. They are not uploaded to our servers.
Yes. Compressing one image at a time is free and doesn't need an account.