前后照片制作器
上传两张图片，添加标签，立即生成并排对比照片。零成本，本地处理。
图片
“之前”图片
“之后”图片
水印/徽标（可选）
设置
暂无预览
添加一张“之前”和一张“之后”的图片来生成对比图。
如何制作前后对比照片
1上传图片
选择您的"之前"照片和"之后"照片。您还可以选择上传透明 PNG 徽标作为水印。
2自定义布局
更改文本标签，选择文本颜色，并选择您首选的宽高比。
3下载
单击下载按钮将高质量对比图片直接保存到您的设备。
Who Actually Uses Before & After Photos?
More people than you'd think. A before/after image tells a story in one glance, no caption essay needed. It's probably the single most shareable content format across almost every industry. Here's who we see using this tool the most.
Fitness & Personal Trainers
This is the OG use case. Nothing sells a fitness coaching business like a real client transformation, no ad copy can compete with a genuine side-by-side. Trainers post these on Instagram and TikTok constantly, and the ones that look cleanest (matching labels, consistent sizing) get the most engagement. The ones that look like they were slapped together in MS Paint? Not so much.
Home Renovation & Interior Design
Contractors and designers live and die by the room reveal. A side-by-side before/after of a kitchen remodel does more selling than a five-paragraph proposal ever will.
Skin Care & Beauty Brands
Dermatologists and beauty brands need comparison photos to show a product actually works. The catch: if the lighting changes between shots, people assume the results are faked. Consistent framing and lighting in both photos is non-negotiable for this category, which is exactly why we built the matching label and ratio features.
Photographers & Photo Editors
RAW file next to a finished edit. That's the photographer's portfolio standard, and it never gets old.
Dental & Medical Practices
Smile transformations are some of the highest-converting content a dental practice can put on their website. Whitening results, orthodontic progress, veneers, patients want to see real outcomes before they book. Properly labeled comparison photos do the heavy lifting that a paragraph of text just can't.
Landscaping & Garden Design
Overgrown yard to magazine-cover garden. That's the whole pitch, delivered in one image. Landscapers share these on local Facebook groups and the referrals basically generate themselves.
The One Trick That Makes Before/After Photos Believable
Lighting. That's It. That's the Trick.
The #1 mistake? Different lighting in both shots. It makes even real transformations look fake. Shoot your "before" in harsh fluorescent overhead light and your "after" in golden hour sunlight, and people will assume the whole thing is staged, even if the results are 100% real. Same time of day, same light source, same direction. That's all it takes to go from "that looks Photoshopped" to "wow, that's a real result."
Same Angle, Every Time
This one sounds obvious but almost nobody does it. Shoot both images from the exact same position, height, and distance. Even a small shift makes the comparison feel off and people won't be able to pinpoint why. For rooms, put tape on the floor where the tripod goes. For portraits, mark the spot and use the same background. Your future self will thank you.
Keep Labels Short
One or two words max. "Before / After". "Day 1 / Day 90". "Original / Edited". That's it. If your label needs a sentence to explain what's going on, the photo isn't doing its job. The image tells the story, the label just gives context.
Pick Your Ratio Before You Shoot
This saves so much time. Instagram Feed? 1:1 or 4:5. Stories and TikTok? 9:16 vertical. Twitter and Facebook? 16:9 works great. Decide where you're posting first, then size your output to match. Way better than cropping awkwardly after the fact.
Frequently Asked Questions
What size should my images be?
It depends where you're posting. For Instagram, 1080×1080px (square) or 1080×1350px (portrait) works well. For YouTube thumbnails or blog headers, use 1920×1080px landscape. As long as both input images are roughly the same size, the output will look good. We auto-center and scale them if they don't match exactly.
Can I add my logo?
Yes. Upload a transparent PNG and it's overlaid as a watermark on the final image. Keep the logo file small and use transparency so it doesn't overpower the comparison itself.
What aspect ratios can I use?
1:1 for Instagram squares, 4:5 for Instagram portraits, 16:9 for landscape stuff like YouTube or blog embeds. Pick the one that matches where you're posting and you won't have to deal with awkward cropping later.
Does this work on my phone?
It does. Everything runs in your browser, no app to install, no account to create. It works on tablets too. Fair warning though: if you're uploading very large images on an older phone, it might be a bit slow. That's a browser memory thing, not a bug.
Can I change the label text and colors?
Totally. You can change "Before" and "After" to whatever you want, "Day 1 / Day 90", "Original / Edited", or just clear them entirely if you don't want labels at all. There are multiple text color options too, so you can pick something that's actually readable against your specific images.