Elementor Image Compare: Prove the Difference Instead of Describing It

October 2, 2026
·
Shahidul Islam
Elementor image compare slider revealing a before and after photograph

Some work is impossible to describe and obvious to see. A restoration, a retouch, a renovation, a treatment, a redesign. Put the two photographs side by side and the reader’s eye has to jump between them, holding one in memory while looking at the other. Most people do not bother.

Stack them with a slider and there is nothing to hold in memory. The same pixels change under the same cursor, and the difference becomes undeniable.

The Elementor image compare widget is that slider, and it is in the free plugin.

Elementor image compare slider revealing a before and after photograph
One image over another, revealed by dragging. The comparison happens in the same spot on the screen.

Where an Elementor image compare earns its place

  • Builders and renovators. The room before, the room after, in one frame.
  • Photographers and retouchers. The raw file against the graded one, which is the whole pitch.
  • Dentists, clinics and salons. Treatment results, shown honestly and without a gallery.
  • Cleaning and restoration. The work is the difference, so show the difference.
  • Designers and agencies. The old site against the new one, in a case study.
  • Product pages. With and without the coating, the filter, the upgrade.

Why an Elementor image compare beats two images side by side

Two images in a rowAn Elementor image compare
The eye travels between themThe change happens in one place
Both are half size on a phoneOne full width frame at every size
PassiveThe visitor does the reveal themselves
Labels get lostBefore and after labels are part of the widget
No sense of how much changedThe slider position is the measurement

The Elementor image compare features that matter

Horizontal or vertical. The handle usually runs down the middle and moves sideways, which suits rooms and landscapes. Switch it to vertical for anything where the difference is top to bottom, like a facade or a full body shot.

A starting position you choose. The slider does not have to begin in the middle. Start it at twenty percent so the after image is mostly visible, or at eighty so the change is a surprise. You can set a different starting point for phones, which matters more than it sounds: on a narrow screen the first impression is most of the impression.

Labels that behave. Before and after labels can sit at the top, middle or bottom, appear only on hover, and fade at a speed you set. They are part of the widget, so they move with the images rather than being two text boxes you positioned by hand.

It invites the drag. An entry animation runs on load, so the handle moves once and the visitor learns what the thing does without instructions. Hovering can take control of the slider, which means people discover it by accident, which is the best way.

Smoothing that makes it feel good. The handle follows the pointer with an easing curve, choosing from four options, with the amount adjustable. It sounds like a detail and it is the difference between a slider that feels physical and one that feels like a form control.

A title and text over the top. An optional heading and paragraph can sit on the image, positioned top, middle or bottom, so the widget can carry a whole section on its own.

Four Elementor image compare layouts from the demo page
Horizontal and vertical sliders, a labelled comparison and one carrying its own heading.

Build a comparison with the Elementor image compare

  1. Shoot or export both images at the same size, from the same position, with the same crop.
  2. Add the widget and set the before image and the after image.
  3. Choose horizontal or vertical, based on where the change actually is.
  4. Set the starting position, then set a different one for phones if the first impression needs it.
  5. Write the labels in your own words. “2019” and “Today” often beats “Before” and “After”.
  6. Check it on a phone with a thumb rather than a mouse, because that is how most people will use it.

The two images have to line up exactly. A slider between two photographs taken from slightly different positions looks like a trick, and people notice before they can say why.

Why it works

A comparison slider works because it removes the memory step. Side by side images ask the viewer to hold one picture in their head while examining another, and human visual memory is poor at exactly that. Overlaying them means the comparison happens on the retina rather than in recollection, which is why the effect is so much stronger than the extra effort suggests.

There is a persuasion argument as well. The visitor moves the handle themselves, so the reveal is something they did rather than something you claimed. That small act of participation makes the result more credible than the same two images presented passively.

Accessibility is worth a thought. The comparison is visual and interactive, so anybody who cannot use it needs the same information in text. The W3C tutorial on images covers what to write in the alt text: describe what changed, not just what the picture shows.

Elementor image compare on desktop and on a phone
The same comparison on a laptop and a phone, with a different starting position on the narrow screen.

Getting it right

  • Same camera position, same crop, same light. Everything else is wasted if this is wrong.
  • One comparison per section. Two sliders side by side halves the impact of both.
  • Label with specifics. Dates, treatments or versions beat “before” and “after”.
  • Do not start at the extremes. A handle at zero or a hundred looks like a plain image.
  • Test with a thumb. The handle needs to be grabbable without precision.

Elementor image compare: common questions

Is it free?

Yes. The image compare widget is in the free Sky Addons plugin.

Can the slider run vertically?

Yes. Vertical mode moves the divider up and down instead of side to side, with its own label positions.

Where does the handle start?

Wherever you set it, as a percentage, with a separate value for phones.

Can I put text over it?

Yes. An optional title and paragraph can sit on the image, positioned top, middle or bottom.

Does it work on touch screens?

Yes. Drag with a finger, and the entry animation shows people what to do without instructions.

The short version

The Elementor image compare widget turns two photographs into proof. The change happens in one frame under the visitor’s own hand, horizontally or vertically, starting wherever you choose, with labels and an optional heading built in. It is the shortest route from “we improved this” to “you can see we improved this”, and it is free.

See fifteen comparisons

The Image Compare demo runs fifteen comparisons on one page, including vertical sliders, hover labels and full width sections. Every control is listed in the Image Compare documentation.

For a set of images rather than a pair, the Elementor showcase wall and the Elementor image stack are the matching widgets.

Image compare costs nothing. Sky Addons Pro adds the motion, menu and store widgets, and the free versus Pro page shows where the line falls.

Written by
Shahidul Islam
Writes about the work behind the widgets — what shipped, why, and what it cost.
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