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Compress Image
Reduce image file size in your browser. Adjustable quality. Real before/after comparison.
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How it works
OpenToola uses browser-image-compression to reduce file size while keeping visual quality. Runs in a Web Worker.
Steps
- Select an image.
- Adjust quality.
- Click Compress.
- Compare sizes and download.
Frequently asked questions
Which formats are supported?
JPG, PNG, WebP and more.
Is quality adjustable?
Yes, use the quality slider (0.1 to 1).
Processed locally — your files never leave your browser.