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Free Brightness & Contrast Editor Online

Adjust brightness and contrast for any image, live preview. Free and private.

Drag & drop images, or click to upload

JPG, PNG, WebP · Multiple files supported

All processing runs in your browser. Your images are never uploaded.

FAQ

What's the difference between brightness and contrast?

Brightness shifts all pixels lighter or darker uniformly. Contrast increases or decreases the gap between light and dark pixels.

Can I fix an underexposed photo?

Yes — raise brightness slightly, then boost contrast to restore punch. Preview updates live as you adjust.

Does adjusting affect color accuracy?

These adjustments preserve hue. For color changes, use our Saturation & Hue tool instead.

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