Adjust Gamma
Apply gamma correction to images
Upload & Settings
Upload any photo to adjust gamma
About Gamma
- • < 1.0: Darkens the image
- • = 1.0: No change (original)
- • > 1.0: Lightens the image
- • Affects midtones more than extremes
Preview
No image uploaded
Upload a photo to adjust gamma
When to Use Gamma Adjustment
Fix Underexposed Photos
Brighten dark or underexposed images naturally. Gamma correction lifts midtones without blowing out highlights, perfect for low-light photography.
Monitor Calibration
Adjust images for different display devices. Compensate for varying monitor gamma values to ensure consistent appearance across screens.
Print Preparation
Prepare images for printing by adjusting gamma to compensate for how printed media appears different from screens. Ensure accurate reproduction.
Shadow Detail Recovery
Reveal hidden details in shadows without overexposing highlights. Gamma correction is ideal for bringing out detail in dark areas naturally.
Contrast Balancing
Fine-tune overall image contrast by adjusting how midtones appear. Create more balanced images with better tonal distribution.
Low Light Photography
Enhance photos taken in challenging lighting conditions. Gamma adjustment preserves image quality better than simple brightness for dark scenes.
Frequently Asked Questions
What is gamma correction?
Gamma correction is a nonlinear operation used to adjust the brightness of an image. Unlike simple brightness adjustment, gamma correction affects midtones more than highlights or shadows, allowing for more natural-looking brightness adjustments. Values above 1 lighten the image, while values below 1 darken it.
How do I adjust gamma in an image?
Upload your image, adjust the gamma slider (0.1-3.0). Values below 1.0 darken the image, 1.0 is the original, and values above 1.0 lighten it. Common values: 0.5-0.8 for darkening, 1.2-2.0 for lightening. Preview changes in real-time and download when satisfied.
Is this gamma adjustment tool free?
Yes! Our gamma correction tool is completely free with no registration required. Adjust unlimited images with any gamma values without cost, watermarks, or limitations. All processing happens locally in your browser for privacy and speed.
What's the difference between gamma and brightness?
Brightness adjustment adds or subtracts the same value to all pixels, which can clip highlights or shadows. Gamma correction uses a power curve that affects midtones more, preserving detail in highlights and shadows while adjusting overall brightness more naturally. Gamma is better for most photo corrections.
What are good gamma values to use?
For general use: 0.7-0.9 to darken overexposed images, 1.0 for no change, 1.2-1.5 to lighten underexposed images, 1.5-2.2 for significantly brightening dark images. Monitor calibration typically uses gamma 2.2. Experiment to find what looks best for your specific image.
What are common uses for gamma adjustment?
Gamma adjustment is used for correcting underexposed photos, brightening dark images without clipping, adjusting for different monitor displays, preparing images for print, fixing images shot in low light, balancing contrast, and fine-tuning overall brightness in a natural way.
What image formats are supported?
The tool supports all common image formats including JPG/JPEG, PNG, GIF, WebP, and BMP. Upload images of any size. The output is a high-quality PNG file with your gamma correction applied. Processing happens instantly with real-time preview.
Is my image data safe and private?
Absolutely! All gamma correction happens entirely in your web browser using JavaScript and HTML5 Canvas. Your photos are never uploaded to our servers or transmitted anywhere. They stay on your device throughout the entire process, ensuring complete privacy and security.
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