How to Use the Free Online Image Compare Tool

Compare two images instantly and see the differences with visual highlights. Perfect for detecting changes, verifying edits, and quality assurance testing.

Simple 3-Step Process

1

Upload Your Original Image

Click the upload area or drag and drop your original image file. This will be your baseline image for comparison.

2

Upload Your Compare Image

Upload the second image you want to compare. This should be a modified or different version of your original image.

3

View Differences

The tool automatically compares both images and displays the differences in the bottom section with visual highlights.

Key Features

Our image comparison tool provides powerful features to help you identify differences quickly:

Side-by-Side View

Compare images placed next to each other

Difference Highlighting

Visual indicators show changed areas

Pixel-Perfect Detection

Identifies even the smallest changes

How It Works

Original Image

Your original image appears here

Compare Image

Your compare image appears here

Difference View (Bottom)

Differences Highlighted Below

Changed areas are highlighted with visual overlays, making differences easy to spot

Perfect For

Detecting changes in design mockups

Comparing before/after photo edits

Quality assurance testing for UI changes

Verifying image modifications

Spot differences in similar images

Checking for image corruption or artifacts

Tips for Best Results

  • Use images with the same dimensions for accurate comparison
  • Ensure both images are in the same format (both JPG or both PNG)
  • Higher resolution images provide more detailed difference detection
  • The tool works best with images of similar content
  • All processing is done in your browser - your images stay private