UTILITY

Adjust image gamma

Change midtone brightness using a nonlinear tonal curve.

Tool
Loading tool…

How to use it

  1. 1

    Choose the source image from your device.

  2. 2

    Adjust the amount or color controls, and inspect the updated image preview.

  3. 3

    Download the processed PNG; your original file remains unchanged.

About this tool

Gamma remaps pixel values using a power curve. The default is a mild adjustment; changing it affects midtones more than pure black or white.

Strong adjustments can crush shadows or wash out highlights.

Practical questions

What does this tool change or return?

Gamma remaps pixel values using a power curve. The default is a mild adjustment; changing it affects midtones more than pure black or white.

What are its limitations?

Strong adjustments can crush shadows or wash out highlights.