Free ToolUtilities

Brightness and contrast adjuster

Brighten dark photos, add punch to flat product shots, or soften harsh contrast directly in your browser. Upload an image, try quick tone presets, fine-tune brightness and contrast sliders, preview the result, and download without cloud processing.

Use this tool free

Browser tool

Brightness and contrast adjuster

Runs locally in your browser. The selected image is not uploaded by this tool.

JPEG, PNG, and WebP are supported by default. Specialized converters restrict the file picker to their required input format.

Choose an image to start.

How to use

Upload an image

Choose a supported image file from your device.

Choose a tone preset

Start with Reset, Lift shadows, Punchy, or Soften, then fine-tune the brightness and contrast percentages.

Download the result

Preview the result and save the edited file to your device.

Features

Runs in your browser

The tool uses browser image APIs where possible, so files stay on your device during the edit.

Fast preview

Change brightness and contrast with live CSS preview before rendering the final canvas export.

No extra software

Open the page, choose an image, and export the result without installing a desktop app.

After this task

After this free tool, open Ai Enhance for the next AI editing workflow.

Continue with Ai Enhance

Specifications

Input formats	Browser-supported image files
Processing	Client-side CSS preview and Canvas export
Account required	No

Related Magic Eraser Tools

Ai Enhance

Common questions

Is Brightness and contrast adjuster free?

Yes. You can use this browser tool without signing in.

Are my images uploaded?

No. This tool is designed to process images locally in the browser.

What formats are supported?

Support depends on the image formats your browser can decode and export.

Need more AI editing?

Open Magic Eraser for object removal, background cleanup, AI Enhance, and other advanced edits.

Open Magic Eraser

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