Show HN: I built a free tool to make Before–After comparison videos

1 month ago 2

Create stunning transition videos from your before and after photos

Upload Before Photo Click or drag image here

Upload After Photo Click or drag image here

Create Professional Before & After Comparison Videos

Transform your before and after photos into engaging comparison videos with our free online tool. Perfect for showcasing transformations, restorations, and improvements with a stunning sliding transition effect.

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Easy Video Creation

Upload two photos and create professional comparison videos in seconds. No technical skills required.

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Fully Customizable

Control duration, transition direction, frame rate, and slider design to match your vision.

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Works in Browser

No software installation needed. Create videos directly in your web browser on any device.

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Multiple Use Cases

Perfect for fitness transformations, photo restorations, home renovations, and product comparisons.

Perfect For:

Photo Restoration: Showcase restored vintage photos with dramatic before/after reveals
Fitness Transformations: Display weight loss or muscle gain progress with impact
Home Renovations: Highlight renovation projects and interior design changes
Photo Editing: Demonstrate editing skills and retouching techniques
Product Comparisons: Compare products, services, or designs side-by-side
Art & Design: Show creative evolution and design process
Beauty & Makeup: Display makeup transformations and beauty treatments
Real Estate: Present property improvements and staging results

Frequently Asked Questions

How do I create a before and after video?

Simply upload your before photo and after photo using the upload boxes above. Once both images are loaded, you can customize the video settings (duration, direction, etc.) and click "Generate Video" to create your comparison video.

What video format is exported?

Videos are exported in MP4 format when supported by your browser. If MP4 is not available, the tool automatically falls back to WebM format. Both formats are widely compatible with social media platforms and video players.

Is this tool completely free?

Yes! This before and after video creator is 100% free to use. There are no hidden fees, watermarks, or usage limits. Create as many videos as you need.

What image formats are supported?

All common image formats are supported including JPG, JPEG, PNG, GIF, WebP, and more. Simply upload any photo from your device.

Can I customize the transition direction?

Absolutely! Choose from four transition directions: left-to-right, right-to-left, top-to-bottom, or bottom-to-top. Select the one that best showcases your before and after comparison.

Do I need to install any software?

No installation required! This is a web-based tool that runs entirely in your browser. Just open the page and start creating videos immediately.

Are my photos uploaded to a server?

No, your photos never leave your device. All processing happens locally in your browser, ensuring complete privacy and security of your images.

What's the maximum video duration?

You can create videos ranging from 1 to 10 seconds in length. This duration is ideal for social media posts and keeps viewers engaged with your transformation.

Can I adjust the video quality?

Yes! Choose from 24, 30, or 60 FPS (frames per second) to control video smoothness and quality. Higher FPS creates smoother transitions but results in larger file sizes.

What browsers are supported?

This tool works best on modern browsers including Chrome, Firefox, Edge, and Safari. Chrome and Edge offer the best compatibility for MP4 export.

Can I preview the video before generating?

Yes! Click the "Preview Animation" button to see exactly how your before and after video will look before generating the full video file.

How do I share my video on social media?

After generating your video, it will automatically download to your device. You can then upload this video to Instagram, Facebook, TikTok, YouTube, Twitter, or any other social media platform.

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