Does the image compressor upload my photos to a server?

No. Compression runs entirely in your browser using JavaScript. Your images are never sent anywhere.

Which image formats are supported?

JPEG, PNG, and WebP. You can also choose a different output format from your source.

Typically 40–90% size reduction depending on the image and quality setting, with minimal visible difference at higher quality levels.

Free online image compressor. Reduce file size of JPEG, PNG, and WebP images while maintaining visual quality, all processed locally in your browser.

Perfect for reducing image file sizes for web use, email attachments, or storage optimization while maintaining good visual quality.