Image Compare Slider

Compare two overlaid images easily with intuitive slider controls.

Select first image

Drop file here

Select second image

Drop file here

What is Image Compare Slider?

Image Compare Slider is an online tool that allows you to visually compare two images by overlaying them and using a slider to reveal differences. It's perfect for before-and-after comparisons, design verification, and identifying subtle changes between images.

Features of Image Compare Slider

  • Intuitive Comparison: Easily see differences between two images with a simple slider movement
  • Direction Options: Compare horizontally (left-right) or vertically (top-bottom)
  • Detailed Information: View comprehensive details about each image including file size, resolution, and timestamps
  • Fullscreen Mode: Examine images in greater detail using the fullscreen option
  • Browser-Based: No software installation required, accessible from anywhere

How to Use Image Compare Slider

  1. Select Images: Upload two images by dragging and dropping into the input boxes or by using the file selector
  2. Choose Direction: Select comparison direction (horizontal or vertical)
  3. Compare with Slider: Move the slider on the displayed images to reveal differences between them
  4. View Details If Needed: Toggle the "Image details" switch to display information about both images
  5. Use Fullscreen: Click the fullscreen button for a larger comparison view

Use Cases

Design & Development

  • Website Redesign Verification: Compare before and after views of website designs
  • UI/UX Change Assessment: Visualize interface adjustments and improvements
  • Responsive Design Testing: Compare screenshots from different device displays

Photo & Image Editing

  • Editing Effect Evaluation: Accurately assess changes made in photo editing
  • Color Correction Comparison: Check differences between various color adjustments or exposure settings
  • Filter Verification: Compare images with different filters applied

Education & Presentation

  • Visualizing Change: Compare landscape or architectural changes over time
  • Before-After Demonstration: Show the impact of renovations or modifications
  • Educational Material: Create visual aids that highlight differences for teaching purposes

Technical Notes

Supported Image Formats

The tool supports a wide range of common image formats:

  • JPEG (.jpg, .jpeg)
  • PNG (.png)
  • GIF (.gif)
  • WebP (.webp)
  • Other browser-supported image formats

Optimal Usage Conditions

  • Matching Resolutions: For best results, both images should have the same resolution (width and height)
  • Recommended File Size: For optimal performance, keep each image under 10MB
  • High-Resolution Images: Consider compressing very high-resolution images beforehand for smoother operation

Privacy and Security

All operations are performed within your browser; image data is never sent to any server.

Image Sharing

It is not possible to share the compared images using a shared link.
*Note: The sharing feature has been highly requested, so we're considering offering it as a separate service 🫡