What is a before and after slider?

A before and after slider is an interactive UI widget that overlays two images, allowing users to drag a divider bar horizontally or vertically to compare the original and edited states in real-time.

How do I compare two images online?

To compare two images online, simply upload your 'Before' image and your 'After' image into our free slider tool. The interactive preview will generate automatically, letting you drag the handle to see the difference.

How do I create an image comparison slider?

Upload your photos to ImageMagixOnline, customize the handle color and labels, and copy the auto-generated responsive HTML iframe embed code to place it directly on your website or blog.

Can I compare photos side by side?

Yes! Our tool supports multiple layout modes, including Side-by-Side comparison, Overlay comparison (with customizable opacity fade), and the interactive split slider mode.

What is the best before after slider tool?

ImageMagixOnline is the best free online before after slider because it operates 100% in-browser, supports high-resolution files, features synchronized zooming/panning, and provides customized label styling and watermark options.

Can I use an image comparison slider on mobile?

Yes, our image comparison tool is optimized for mobile touch screens. It supports native touch gestures and swipe navigation for dragging the slider handle smoothly on iOS and Android devices.

How do I create an interactive before after image?

You can create one by uploading your images to our platform. Adjust the initial layout settings, then copy the shareable comparison URL or the HTML embed code to distribute it to clients or post it on web portals.

Is this image comparison tool free?

Yes, this tool is 100% free with no hidden charges, limitations on resolution, or registration requirements. You can compare as many images as you need.

Can I compare high-resolution images?

Absolutely. Because our tool does all processing directly in your browser using client-side JavaScript, it can handle large, high-resolution DSLR photography without server upload lags or size limits.

How do I share image comparison results?

You can use the 'Share Comparison' button to get a shareable URL, or export a merged high-resolution composite photo directly to your device using the 'Download' feature.

100% Free & Secure Online Tool

Upload Images

Drag and drop your original and edited images to begin comparison

Before Image

Drag and drop your image here, or click to browse

Supports files up to 50 MB

Formats: JPEG, JPG, PNG, WEBP, SVG, BMP

Clipboard paste supported (Ctrl+V)

After Image

Drag and drop your image here, or click to browse

Supports files up to 50 MB

Formats: JPEG, JPG, PNG, WEBP, SVG, BMP

Clipboard paste supported (Ctrl+V)

100%

Viewer Ready

Upload two images or click a preset sunset/retouch template above to compare details instantly.

Privacy First

100% Client-side

100% Free

No Account Required

High Res

DSLR Quality Support

Touch Swipe

Mobile Gesture Ready

Interactive Before & After Image Comparison Slider

Compare two images side-by-side or layered with a real-time slider handle. Upload photos or try presets below.

See It in Action

Watch how the Before & After slider works with real images.

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Image Compressor

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