Brightness & Contrast
Adjust brightness and contrast.
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About Brightness & Contrast
Brightness & Contrast lets you adjust how light or dark an image looks and how much the tones stand apart, using two simple sliders. Drag brightness to lift a photo that came out too dark or pull back one that's washed out, and drag contrast to make the difference between light and shadow stronger or softer. A live preview updates as you move each slider, so you can settle on the look you want before saving the result as an image.
The tool is completely free with no account and no sign-up. It runs entirely in your browser using a canvas, which means the photo is processed on your own device and is never uploaded to a server. There are no watermarks, no usage limits, and nothing to install.
Frequently asked questions
- Is the Brightness & Contrast tool free?
- Yes, it is completely free with no account, no sign-up, and no usage limits. You can adjust as many images as you like, and there are no watermarks on what you save.
- Is my photo uploaded to a server?
- No. The adjustment happens entirely in your browser on a canvas, so the image stays on your own device. Nothing is uploaded, stored, or sent anywhere.
- How do I use it and what formats can I load?
- Open a common image such as a JPG or PNG, then move the brightness and contrast sliders while watching the live preview. When it looks right, download the result to your device.
- What is the difference between brightness and contrast?
- Brightness raises or lowers the overall lightness of every pixel at once. Contrast changes how far the light and dark areas are pushed apart, so higher contrast makes shadows deeper and highlights brighter.
- Can I undo an adjustment if I go too far?
- Yes. The sliders are non-destructive to your original file, so you can move them back at any time before saving. If you've already downloaded a version, just load the original again and start over.