Processed locally on your device
Image Compressor
Reduce image file sizes instantly right in your browser. All compression calculations happen entirely on your device with no uploads or data collection.
Drop images to compress
or choose a file
JPG, PNG, and WebP images up to 50MB
How to use Image Compressor
- 1
Drop or select your images.
- 2
Adjust compression level or use the balanced preset.
- 3
Review instant before/after file sizes and preview.
- 4
Download individual images or get all in a ZIP archive.
Frequently asked questions
Everything you need to know about processing files locally with Toolio.
No. Toolio executes image compression using browser-native Canvas APIs directly on your device. Your photos never leave your computer or phone.