Adjust midtones. Values < 1.0 darken the image, values > 1.0 brighten shadows without blowing out highlights.
0.1 (Dark)1.0 (Normal)3.0 (Light)
Optional Adjustments
Upload an image to start adjusting gamma!
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Perfectly balance midtones and fix lighting
Adjust midtones. Values < 1.0 darken the image, values > 1.0 brighten shadows without blowing out highlights.
Related Tools
Watch the image gamma tool demo here
What we do
Unlike basic brightness that washes out an entire photo, gamma correction specifically targets midtones to reveal hidden details in shadows without ruining highlights.
We provide companion Brightness and Contrast sliders so you can perfectly balance overall exposure and depth after applying your gamma curve.
Our tool uses an advanced SVG hardware-accelerated filter engine, meaning the gamma updates instantly in real-time as you drag the slider. No waiting!
When downloading, we use an ultra-fast Pixel Math Lookup Table (LUT) to apply the perfect gamma curve directly to the full-resolution pixels of your original image.
Your photos remain completely private. Because our rendering engine runs purely inside your browser, your images are never uploaded or stored on any server.
This tool is completely free. It is a full version, no hidden payments, no signup required, and no limits on the number of photos you can enhance.
