Visual Comparison
Compare images side-by-side
Spot the difference. Upload a 'Before' and 'After' image to slide and compare them vividly.
Visual Comparison
Compare images side-by-side
Spot the difference. Upload a 'Before' and 'After' image to slide and compare them vividly.
Drop 'Before' image
Spot the difference. Upload a 'Before' and 'After' image to slide and compare them vividly.
Processing runs locally in your browser.
Drop 'After' image
Spot the difference. Upload a 'Before' and 'After' image to slide and compare them vividly.
Processing runs locally in your browser.
How it works
Compare images instantly
Upload two images and use the interactive slider to spot differences.
Upload two images
Add a 'Before' and 'After' image. Supports JPG, PNG, WebP, AVIF, and HEIC formats.
Slide to compare
Drag the slider left and right to reveal differences between images.
Spot the difference
Easily identify changes, edits, or improvements between versions.
Use cases
When to use image comparison
Perfect for designers, developers, and quality assurance workflows.
Design Reviews
Compare design iterations to spot changes and improvements between versions.
Photo Retouching
Show before/after results of photo editing, color correction, or retouching.
QA Testing
Visual regression testing — compare screenshots to catch UI bugs.
Marketing
Create compelling before/after comparisons for products and services.
FAQ
Image comparison questions
Everything you need to know about comparing images.
Do images need to be the same size?
Images of different sizes will work, but for best results use images with the same dimensions. The comparison slider works best with matching resolutions.
What image formats are supported?
JPG, PNG, WebP, AVIF, HEIC, and GIF are all supported. You can compare images in different formats.
Are my images uploaded anywhere?
No. All comparison happens locally in your browser. Your images never leave your device.
Can I download the comparison?
Currently you can screenshot the comparison. A download feature for the comparison view is planned.
Can I zoom in on differences?
The comparison view shows full images. For detailed inspection, zoom in using your browser's zoom feature.
Does it work on mobile?
Yes! The slider works with touch gestures on phones and tablets.
Need to compress your images?
Reduce file size up to 90% while maintaining quality.