10 Best Image Comparison Tools In JavaScript (2021 Update)

by jQueryScript,

What Is Image Comparison?

Image Comparison is an image diff tool to compare the difference between images side by side.

How Image Comparison Works?

An image diff tool stacks two images into one image with a comparison slider so that the visitors can compare the difference via mouse drag as well as touch movements.

Who Are Using Image Comparison Tool?

The Image Comparison Tool is usually used in Ecommerce websites and/or online stores to visually show the difference between before and after using their products.

The Best Image Comparison Tool

There're tons of online image comparison tools out there and I'd like to list here the 10 best JavaScript/jQuery image comparison plugins that hele developer to create your own before/after effects for comparing two images for differences. Have fun.

Originally Published Oct 15 2019, updated Mar 24 2021

Table of contents:

jQuery Image Comparison Plugins:

Stylish jQuery Images Comparison Plugin - twentytwenty

twentytwenty is a clean and easy-to-use jQuery plugin that allows you to compare and showcase the difference between two images side by side.

Stylish jQuery Images Comparison Plugin - twentytwenty

[Demo] [Download]


Horizontal/Vertical Image Comparison Slider - jQuery beforeAfter

A before/after image comparison jQuery plugin that creates a custom horizontal or vertical slider to compare two overlapping images for differences.

Horizontal/Vertical Image Comparison Slider - jQuery beforeAfter

[Demo] [Download]


Touch-enabled Image Comparison Slider - Cndk.BeforeAfter.Js

Cndk.BeforeAfter.Js is a tiny yet customizable and mobile-friendly image comparison slider plugin to quickly compare two pictures with mouse and touch events.

Touch-enabled Image Comparison Slider - Cndk.BeforeAfter.Js

[Demo] [Download]


Automatic Any Image Comparison Slider In jQuery

A simple yet fully configurable jQuery plugin to create a horizontal or vertical slider that automatically slides left/right/up/down to compare the difference between before/after images.

Automatic Any Image Comparison Slider In jQuery

[Demo] [Download]


Responsive Accessible Image Comparison Slider In jQuery - BeerSlider

This is the documentation for the jQuery version of the BeerSlider library, which provides a responsive, accessible, mobile-friendly comparison slider for before/after images.

Responsive Accessible Image Comparison Slider In jQuery - BeerSlider

[Demo] [Download]


Vanilla JavaScript Image Comparison Plugins:

before-after.js

Yet another JavaScript before/after image comparison library that works both on desktop and mobile.

Touch-friendly Image Comparison Slider In Vanilla JS – before-after.js

[Demo] [Download]


before-after

A vanilla JavaScript plugin to generate a responsive, mobile-friendly before/after slider to compare the difference between two images.

Minimal Responsive Image Comparison Slider With Vanilla JavaScript – before-after

[Demo] [Download]


Pixelcompare

A vanilla JavaScript image comparison library that creates an interactive, horizontal or vertical handler bar to compare 2 images for differences.

Interactive Horizontal/Vertical Image Comparison Slider – Pixelcompare

[Demo] [Download]


Before After Comparison Slider With Touch Support

A Vanilla JavaScript mobile-friendly before/after comparison slider to view the difference between two images with mouse move and touch swipe events.

Before After Comparison Slider With Touch Support

[Demo] [Download]


slider-before-after

An image comparison slider plugin/component which creates a vertical slider to reveal before & after images on mouse drag and touch swipe.

Before After Comparison Slider With Touch Support

[Demo] [Download]


Conclusion:

Want more jQuery plugins or JavaScript libraries to create awesome Image Diff Tool on the web & mobile? Check out the jQuery Image Comparison and JavaScript Image Comparsion sections.