Adjust Image Brightness and Contrast

Adjust brightness, contrast and saturation for JPG, PNG, WEBP and AVIF images in your browser with preview and ZIP download.

Need help with the calculation?
Files are not sent to a server. Processing runs in your browser, and the queue handles one file at a time so the device stays responsive.
Drop JPG/PNG/WEBP/AVIF files here or tap to choose several files
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Add JPG/PNG/WEBP/AVIF files.
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How to use it

Add images and move the sliders. The first file updates in the before-and-after preview, then the same values are applied to the queue without uploading files.

Recommended settings

For dark photos, try brightness 110-125% and contrast 105-120%. For flat images, raise saturation carefully and check skin tones and white backgrounds in the preview.

Privacy

Your files are not uploaded to a server. The editor runs in your browser with local libraries from this site.

Limits

Large images can take longer on phones. If the browser slows down, process fewer files at once or choose a smaller output format.