Brightness & Contrast Adjuster

Fine-tune your photo's brightness, contrast, and saturation with intuitive sliders.

Your images never leave your device — 100% browser-based processing

Drop your image here, or click to browse

Supports JPG, PNG, WebP, GIF, SVG, BMP • Paste from clipboard

How Does This Work?

Adjust three main photo properties — brightness, contrast, and saturation — using simple sliders. Changes are applied using the Canvas API at full resolution.

Frequently Asked Questions

What do the values mean?

100% is the original. Below 100% reduces the effect, above 100% increases it. 0% brightness = black, 200% = doubled brightness.

Privacy Notice: All image processing happens directly in your browser. Your images are never uploaded to any server. PixelTools is free to use and supported by advertising.