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Adjust Brightness & Contrast

Fine-tune brightness and contrast for better photos.

Brighten dark shots or boost contrast for clearer, more vivid photos — free and private.

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All processing happens in your browser. Your images are never uploaded to any server.

Preview

Upload an image to preview the result

About Adjust Brightness & Contrast

Hemiley’s Brightness & Contrast tool helps rescue underexposed or flat-looking photos with simple sliders.

Dial in the look you want and download the adjusted image. All processing happens in your browser on Hemiley — your files are never uploaded to our servers.

Key Features of Adjust Brightness & Contrast

  • Independent brightness and contrast sliders
  • Live before-and-after preview
  • Works with popular image formats
  • Free and private
  • No install required

How to Use Adjust Brightness & Contrast

  1. Upload a photo.
  2. Move the brightness and contrast sliders.
  3. Preview the adjusted result.
  4. Download the enhanced image.

Looking for more image tools? Explore the Image Tools hub or the full free online tools directory.

Frequently Asked Questions

Is Adjust Brightness & Contrast free on Hemiley?

Yes. Adjust Brightness & Contrast is completely free, with no sign-up, watermark, or payment required.

Is my image uploaded when I use Adjust Brightness & Contrast?

All processing happens in your browser on Hemiley — your files are never uploaded to our servers.

What devices work with Adjust Brightness & Contrast?

Adjust Brightness & Contrast works in modern browsers on desktop, laptop, tablet, and phone — no app install needed.