A lightweight before and after image comparison slider for WordPress. No dependencies, under 10KB total.

Aluka

BA Plus – Before & After Image Slider FREE

Offers a simple and effective way to compare two or more different images in the same frame.

Antonio Villegas

Nelio Software

David Aguilera

Nelio Compare Images Block

Simple and elegant Gutenberg block to compare two images side by side.

tranhoang

9dpi

B&F Image Comparison

B&F Image Comparison plugin allows you to create the effect of comparing the two images before and after.

Tim Normington

<p>Sleek Compare is a lightweight before/after image comparison slider for WordPress. Built with performance in mind — no jQuery, no FontAwesome, no bloat.</p>
<h4>Key Features</h4>
<ul>
<li><strong>Ultra-lightweight</strong>: Under 10KB total (JS + CSS combined)</li>
<li><strong>Zero external dependencies</strong>: No jQuery or icon libraries required</li>
<li><strong>Touch-friendly</strong>: Full swipe support for mobile devices</li>
<li><strong>Keyboard accessible</strong>: Arrow keys, Shift+Arrow for 10% jumps, Home/End</li>
<li><strong>Simple shortcode</strong>: Works in classic editor, widgets, and page builders</li>
<li><strong>Lazy loading</strong>: Images and slider initialization deferred until visible</li>
<li><strong>CSS variables</strong>: Easy theming without touching code</li>
<li><strong>No render-blocking resources</strong>: Scripts and styles load conditionally</li>
</ul>
<h4>Pro Version</h4>
<p>Want Gutenberg block and Elementor widget support? Check out <a href="https://products.tnormington.com/sleek-compare" rel="nofollow ugc">Sleek Compare Pro</a> for:</p>
<ul>
<li>Native Gutenberg block with live preview</li>
<li>Full Elementor widget with style controls</li>
<li>Custom handle colors</li>
<li>Priority email support</li>
<li>Lifetime updates</li>
</ul>
<h3>Usage</h3>
<h4>Shortcode</h4>
<p>Basic usage:<br />
    [sleek_compare before=”https://example.com/before.jpg” after=”https://example.com/after.jpg”]</p>
<p>With all options:<br />
    [sleek_compare<br />
      before=”https://example.com/before.jpg”<br />
      after=”https://example.com/after.jpg”<br />
      start=”30″<br />
      label_before=”Original”<br />
      label_after=”Enhanced”<br />
      show_labels=”true”<br />
    ]</p>
<h4>Shortcode Attributes</h4>
<ul>
<li><code>before</code> – URL of the before image (required)</li>
<li><code>after</code> – URL of the after image (required)</li>
<li><code>start</code> – Starting position 0-100 (default: 50)</li>
<li><code>label_before</code> – Before label text (default: “Before”)</li>
<li><code>label_after</code> – After label text (default: “After”)</li>
<li><code>show_labels</code> – Show labels true/false (default: true)</li>
</ul>


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