Equalize Image

Upload an image and apply histogram equalization to enhance contrast. This technique redistributes pixel intensities to improve visibility in underexposed or overexposed areas.

Click to upload or drag and drop an image

Supports PNG, JPEG, GIF, WebP, BMP

Why use this tool?

Histogram equalization improves the contrast of images by spreading out the most frequent intensity values. It's particularly useful for enhancing details in dark or washed-out photos, X-rays, and scientific imagery.

  • Improves contrast — enhances visibility in poorly lit images.
  • Adjustable strength — blend between original and equalized for subtle effects.
  • Luminance-based — preserves colors while adjusting brightness.
  • Easy download — save the enhanced image with one click.
  • Privacy — all processing happens in your browser. No images are uploaded.

How to use

  1. Click the upload area or drag and drop an image to load it.
  2. Adjust the strength slider to control the effect intensity.
  3. Click "Apply" to process the image.
  4. View the original and equalized images side by side.
  5. Click "Download Image" to save the result.

Frequently Asked Questions

Yes, the MushTools Equalize Image tool is completely free with no sign-up required.

This tool supports PNG, JPEG, GIF, WebP, and BMP formats.

No. Everything runs client-side in your browser.