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Image Gamma Correction

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Image Gamma Correction lets you adjust midtone brightness with an adjustable power-law transfer curve. Choose a photo to begin.

Method and calculation

Adjust midtone brightness with an adjustable power-law transfer curve.

Inputs and settings

Image Gamma Correction accepts Gamma (minimum 0.1, maximum 5).

Worked example

Image Gamma Correction example — Gamma: 1.4. Preview instructions: Select a still photo, then use Gamma: 1.4. The result is a PNG with adjust midtone brightness with an adjustable power-law transfer curve.

Output and limitations

A gamma above one lifts intermediate tones while keeping pure black and pure white fixed. Values below one deepen midtones. This power curve differs from exposure multiplication and is useful when shadows look too dark but the endpoints are already correct.

Technical references: Canvas pixel manipulation

Image Gamma Correction FAQs

Image Gamma Correction applies the following rule to your input: Adjust midtone brightness with an adjustable power-law transfer curve. The visible preview shows the resulting image effect.
Image Gamma Correction has these boundaries: Processes one still image locally. PNG export uses a maximum 4096-pixel source edge; effects may expand the canvas. Start by checking the gamma field against the units or format shown.
Image Gamma Correction provides this sample: Select a still photo, then use Gamma: 1.4. The result is a PNG with adjust midtone brightness with an adjustable power-law transfer curve.. The preview can be inspected before saving.

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