Image Gamma Correction Tool
Perform advanced luminance adjustments. Tweak the gamma curve of your images to reveal hidden details in shadows without blowing out the highlights.
Advanced Luminance Control
Unlike a simple brightness slider that linearly adds white to every pixel, Gamma Correction applies a non-linear curve. This means you can brighten the mid-tones and dark shadows of an image to reveal hidden details, while ensuring the already bright skies and highlights don't become pure, blown-out white.
Why Use Our Image Gamma Correction?
- Non-Linear Adjustments: Fix shadows without ruining highlights.
- Professional Control: Essential for preparing images for different monitors.
- Instant Processing: Complex math is handled locally by your browser.
- Free & Private: No subscriptions, no uploads.
How to Use the Image Gamma Correction
Upload the image you want to correct.
Adjust the Gamma slider (values below 1 darken, values above 1 brighten).
Observe the mid-tones shifting in the real-time preview.
Download the properly exposed image.
Frequently Asked Questions
Brightness adjusts all pixels equally. Gamma adjusts mid-tones heavily while leaving pure black and pure white relatively untouched, resulting in a more natural correction.
Most modern monitors and web standards use a gamma curve of approximately 2.2.
All file processing is performed locally in your web browser. We do not upload, store, or view your data.