FitCheck AI - 服のサイズ比較

You chose a piece of clothing because you "always wear a size M," but it's smaller than you expected. Even looking at the size chart, you're unsure if it will fit.

FitCheck AI is an app that makes choosing sizes online easier by comparing them to your existing clothes.

■ Your clothes are the easiest benchmark
Register the width, length, and shoulder width of clothes you know how comfortable they are. By comparing them side-by-side with the dimensions of the product you're interested in, you can see exactly how many centimeters longer or wider it is than your usual clothes.

■ Just take a picture of the size chart
Simply take a picture of the size chart on the product page, and the AI ​​will read the dimensions and assist with input. You can check and correct the reading results, and manual input is also supported.

■ 3-Step Comparison
1. Register your existing clothes that fit you well
2. Take a photo of the product size chart or enter the measurements
3. Check the difference between each size and your existing clothes

■ What you can compare
・Width, length, shoulder width, sleeve length, waist, inseam, etc.
・Categories such as tops, bottoms, dresses, etc.
・Multiple size options
・Product photos, brand, product name

■ Review items you were unsure about later
Saving your comparison results allows you to quickly check them when you're unsure about another product. The more clothes that fit you well in your closet, the easier it becomes to determine the right size for you.

■ No height or weight input required
The benchmark is the clothes you already own. You can start without registering your body type information.

For those who are unsure about size selection when shopping online, those who want to compare differences between brands, and those who want to find an item similar to their existing clothes.

With FitCheck AI, turn the size differences you didn't know until the item arrived into a factor in your pre-purchase decision.

*Please be sure to check the AI's reading results. This app assists with size selection based on dimensional differences, but does not guarantee actual fit.

Not sure whether to order M or L? A familiar label can fit very differently from one brand—or even one product—to the next.

FitCheck AI turns a piece you already love into your personal sizing reference, so an online size chart becomes a comparison you can actually use.

YOUR CLOTHES, YOUR REFERENCE
Save the measurements of an item whose fit you know. Compare a new product against it to see exactly how much longer, wider, or shorter each size is.

THREE SIMPLE STEPS
1. Add the measurements of a favorite item
2. Scan a product size chart or enter the numbers
3. Review clear differences for every available size

MAKE A MORE INFORMED CHOICE
• Compare chest, length, shoulders, sleeves, waist, inseam, and more
• Use tops, bottoms, dresses, and other categories
• Keep product photos, brands, and names with each result
• Save comparisons and revisit your shortlist later
• Review and edit every AI-read measurement

No height or weight is required. Start with the best reference you already own: the clothing that fits the way you like.

Spend less time decoding size charts and more time choosing with confidence.

AI-read measurements should always be reviewed. FitCheck AI compares garment measurements to support your decision; it does not guarantee how an item will fit.