How does image compression work?

The tool uses your browser's Canvas API to re-encode the image at a lower quality level, reducing file size while preserving visual quality.

Which formats are supported?

You can output JPEG, WebP, or PNG. WebP typically gives the best compression ratio.

No. All processing happens in your browser. Your images never leave your device.

Compress images online for free. Reduce file size with adjustable quality. JPEG, PNG, WebP.

How to use: Drop an image, adjust quality and max width, then download the compressed version.

Drop image here or click to select

JPG, PNG, WebP supported

Quality: 75%

Max Width (0 = original)

Output Format