Tune image brightness and contrast.

Adjust rescues dim screenshots and flat product photos with two honest dials - brightness and contrast - and exports the corrected copies. No maze of sliders, no presets to learn, just a quick lift that makes images look the way you meant them to.

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Foldout Tune image brightness and contrast tool screen on macOS
Processes on your MacTool work stays inside the local app.
Signed and notarizedBuilt for Apple Silicon Macs.
No usage trackingFoldout does not track what you do in the app.
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What it does

Rescue dim or flat images with two honest dials.

Brighten dark screenshots and photos in seconds.

Add contrast to flat, washed-out images.

Apply the same correction across a batch.

Export corrected copies and keep the originals.

Detailed capabilities

What Adjust covers.

Concrete features, inputs, and workflow details for this tool.

Two dials that matter most

Brightness lifts a too-dark capture and contrast brings depth back to a flat one - the two adjustments that fix the vast majority of quick image problems.

Consistent across a set

Dial in a correction and apply it to a whole batch, so a series of screenshots or product shots ends up evenly lit.

Corrected copies, safe originals

Your adjusted images are written as new files, leaving the untouched source ready for a different treatment later.

How to use it

From opening the tool to saving the result.

  1. 01

    Add images.

  2. 02

    Set brightness and contrast.

  3. 03

    Review the preview if available.

  4. 04

    Save the adjusted outputs.

Questions

Before you try Adjust

Is this a full photo editor?

No. It focuses on quick brightness and contrast adjustments.

One app. 100+ tools.

Add Adjust to your Mac toolbox.

Download Foldout, try the full toolbox, then choose a plan when it fits.