Before/after image comparison slider

Choose File
Options
Result

Input

Before imageDrag images here or click to choose files.Before image

Before image

Upload the before image first.

After imageDrag images here or click to choose files.After image

After image

Upload the after image.

Preview

Before image

Upload the before image first.

After image

Upload the after image.

Upload the before and after images to start comparison.

Compare before and after images online

Upload two versions of an image and move the divider to compare retouching, redesigns, product edits or UI changes.

Choose a horizontal or vertical divider, captions, image order and whether to crop or contain the second image. Export an interactive HTML widget or a static PNG up to 4096 px on its longest side. Images are embedded in HTML, so check its file size before publishing.

Quick start

Compare two versions with a horizontal or vertical reveal divider.

Add before and after
Choose a direction
Copy or download HTML

✓ Processing happens in the browser for quick visual tasks and one-off asset preparation.

✓ Uploaded files are used only for the current operation and the original image stays unchanged.

✓ Preview the result before downloading so layout, crop and colors can be checked first.

✓ Most outputs can be downloaded as PNG, SVG, HTML or ZIP depending on the selected tool.

✓ Use desktop or tablet fullscreen mode when the image preview needs more working space.

✓ For publishing-critical assets, review the downloaded file in the target platform or browser.

Supported formats

This tool accepts these formats. Uncommon containers and modern web formats may be normalized or converted on the server before processing.

Images

APNG AVIF BMP DDS DPX EXR FITS FTS GIF HDR HEIC HEIF ICO J2C J2K JPC JPE JPEG JPG JP2 JPF JPM JPS JXL MJ2 PAM PBM PCX PDN PGM PNG PNM PPM PSD TGA TIF TIFF WBMP WEBP SVG

A damaged file or a non-standard codec can still fail even when the extension is supported.

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