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Adjust brightness, contrast and saturation

Brighten dark photos, add contrast and boost or reduce saturation with live preview sliders, then download. Free and private in your browser.

  • Files never leave your device
  • Free, no sign-up
  • No watermark
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About Adjust Brightness & Contrast

Rescue dark, flat or washed-out photos without installing a photo editor. Move the brightness, contrast and saturation sliders and watch the preview update instantly, then download the improved image. It is ideal for quick fixes to product shots, documents photographed in poor light and social media pictures. All editing happens in your browser.

How to use Adjust Brightness & Contrast

  1. 1

    Drop the image you want to improve.

  2. 2

    Adjust brightness, contrast and saturation with the sliders.

  3. 3

    Compare the live preview until it looks right.

  4. 4

    Download the adjusted image.

Why use this tool

  • Three essential sliders with instant preview.
  • Fix underexposed or dull photos in seconds.
  • Desaturate for a muted look or boost colours for social posts.
  • Keeps the original image dimensions.
  • Nothing is uploaded.
  • Reset any slider to start again.

Frequently asked questions

Raise brightness a little and add some contrast so the image does not look flat.

Lower saturation fully, or use Grayscale Image for a one-click conversion.

Strong adjustments can reveal noise in dark photos, but normal tweaks keep the image looking clean.

No. A new image is created for download.

No. Your images are processed by your own browser and never sent to CodeMites or any other server.

Yes. There is no account, no watermark and no usage limit. The tool runs in your own browser, so there is no server cost to charge you for.

Yes. It runs in any modern browser on Android and iOS as well as on Windows, macOS and Linux, with nothing to install.

Any common image format your browser can open, including JPG, PNG and WebP.

Yes. Raising contrast and brightness makes text on photographed documents much easier to read.

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