Adjust Gamma
Upload an image and adjust its gamma correction using a simple slider. Improve midtone brightness without affecting highlights and shadows too much.
Click to upload or drag and drop an image
Supports PNG, JPEG, GIF, WebP, BMP
Why use this tool?
Gamma correction adjusts the brightness of midtones in an image without dramatically affecting the darkest and brightest areas. It's useful for correcting images that appear too dark or washed out, and for compensating for display characteristics.
- Real-time preview — see gamma changes as you adjust the slider.
- Side-by-side comparison — compare original and adjusted images.
- Easy download — save the adjusted image with one click.
- Privacy — all processing happens in your browser. No images are uploaded to any server.
How to use
- Click the upload area or drag and drop an image to load it.
- Use the Gamma Adjustment slider to increase or decrease gamma.
- View the original and adjusted images side by side.
- Click "Download Image" to save the adjusted version.
Frequently Asked Questions
Yes, the MushTools Adjust Gamma tool is completely free with no sign-up required. All processing happens in your browser.
This tool supports common image formats including PNG, JPEG, GIF, WebP, and BMP.
No. Everything runs client-side in your browser. Your images never leave your device.