Help & FAQ

Yes, ImgCompress.app is completely free to use. There are no hidden fees, no registration required, and no limits on the number of images you can compress.

No, your images are processed entirely in your browser using Web Workers. Your images never leave your device, ensuring complete privacy and security.

The compressor takes JPG, PNG, WebP and AVIF. The converters also read BMP, GIF, HEIC, SVG and PDF, and can save JPG, PNG, WebP, AVIF, GIF, ICO, SVG or PDF.

You can compress images up to 50MB in size. For larger files, consider resizing them first.

It depends on the image. A large photo saved at high quality usually shrinks the most, while a PNG screenshot or an already compressed JPG may only lose a little. The result shows the exact size before and after, so you can adjust the quality and try again.