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Brightness & Contrast

Adjust image brightness and contrast, then save a processed copy. Free to use, with no account required.

Brightness & Contrast

Choose a supported raster image. Where supported, image processing happens locally in your browser.

How to use brightness & contrast

  1. Choose a supported image.
  2. Adjust brightness and contrast independently.
  3. Apply the changes and download the processed image.

Where supported, image processing happens locally in your browser. Your files are not permanently stored on QuickQR servers.

Key features

  • Simple, responsive controls with a preview before you download.
  • Image processing runs in your browser; no image account or server upload is required.
  • Designed for supported image formats and modern desktop and mobile browsers.

Frequently asked questions

What does Brightness & Contrast do?

Adjust image brightness and contrast, then save a processed copy.

Are my image files stored on QuickQR?

Where supported, image processing happens locally in your browser. Your files are not permanently stored on QuickQR servers.

Can I use this image tool on a phone?

Yes. You can choose or capture an image on a supported mobile browser and use the touch-friendly controls.