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How to Show Before and After Photo in WordPress (with Slide Effect)

Do you want to show the before and after photos on your website? A before and after photo can be useful to display side by side comparison of two identical images with minor differences. In this article, we will share how to easily show before and after photo in WordPress.

How to show before and after photo in WordPress

How Does the Before and After Photo Effect Work?

Normally people use Photoshop to create a before and after image. It’s a single photo that shows before / after effects, and you can add it as a static image on your WordPress website.

A functional photo slider is an interactive way to show 2 different versions of a similar image in full size. You can move the slider handle to compare both images side by side.

Let’s take a look on how to easily show before and after photo in WordPress.

Video Tutorial

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If you don’t want to watch the video tutorial, then you can continue reading the text version below:

Showing the Before and After Photo in WordPress

First thing you need to do is to install and activate the Twenty20 Image Before-After plugin. For more details, see our step by step guide on how to install a WordPress plugin.

Upon activation, you need to create or edit a page/post in your WordPress admin area where you want to show the before and after image. Now, click on the Add Twenty20 button above the text editor.

Add twenty20 button

It’ll open the WordPress Media Library in a popup. From here, you need to select two images for the before and after slider.

Before after images

Once the images are selected, click on the Insert button.

Next, it’ll display the text fields to add content on top of the before and after photos. You can also add width for the slider, offset value, slider direction, and more.

Insert before after photo shortcode

After that, click on the Insert Shortcode button to add the before and after photo in your WordPress page.

You can also use the Twenty20 image widget to display the before and after photo in your WordPress sidebar. Simply go to Appearance » Widgets section in your WordPress admin, and then drag the Twenty20 Slider widget in your Sidebar widget area.

Sidebar widget for before and after photo

The Twenty20 Slider widget has similar settings for the before and after photo as we shared above in this guide. You can select the 2 images one by one in the widget settings to create the before and after photo slider.

Now, you can visit your website to see the before and after photo in action.

Before and after photo

As the users slide the handle towards each image, the other image will become visible. Users can take the slider all the way to the right or the left to see the full before and after image. As the users slide the before and after labels will automatically disappear.

Slide before and after image

This plugin works great with the popular WordPress page builders like Beaver Builder and Elementor to quickly show before and after photo in your website pages without using shortcodes.

We hope this article helped you learn how to show before and after photo in WordPress. You may also want to see our guide on how to add magnifying zoom for images in WordPress.

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6 CommentsLeave a Reply

  1. Hi, I added the slider just fine but I am trying to set it as my featured image for my post? Can you help please?

    • Not all themes have a built-in option to add it as a featured image, you would want to check with your theme or page builder for how to add it as a featured image.


    • FOr this question, you would want to reach out to the plugin’s support and they should be able to let you know.


  2. Hi, I just installed this plugin to use with Elementor, and I don’t even see the add 20/20 option on a post. I have to choose to edit with elementor and then use the 20/20 widget in the elementor page builder. Once I have the slider in place, I can’t seem to resize it at all, and it’s gigantic. Do you happen to have any ideas?

    • For this, you would want to reach out to the 20/20 plugin’s support to see if this is a known issue with the plugin as the plugin should be compatible with Elementor


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