by SizeID s.r.o.

Boost your sales with multi-featured size recommender.

5.0 of 5 stars(1 review)

6k Size Charts Ready to Use

SizeID contains 6k+ size charts of 750+ brands, which are ready for size recommendation on your store. You can create more by yourself.

All-In-One Solution

The intuitive app includes professional and customizable size chart management along with the most accurate size Advisor on the market.

Sell More with Less Work

SizeID improves conversion, reduces returns and costs. Boost your customer satisfaction. Spend your time and money effectively.

About SizeID

Why SizeID?

SizeID provides a unique experience of buying well-fitting clothes and footwear for your customers and at the same time increases your conversion and revenue. We've consistently driven progress and set standards in the world of sizing since 2013. During that time, we have become a proud partner of hundreds of online stores. Today, our solution is available in 7 languages. We’re still working very hard to make it available for a wider range of users to simplify their work.

All-In-One Solution

You can manage all size charts which fit your product range in one place - in an intuitive and simple SizeID for Business interface. We've improved the interface over the years based on our clients' requirements and feedback. Minimal work effort, that's exactly what SizeID for business delivers to you. Take advantage of what we have been building for years. Our database contains thousands of size charts from hundreds of well-known global brands. You can find perfectly crafted universal size charts you can instantly use for your product range. You can also add any individual size chart which perfectly fits your needs. We are constantly improving SizeID solution. Adding size charts have never been easier. At the same time, we are designing our size recommendation system to be as accurate as possible.

No More Hesitation about the Right Size

Don't let your customers deal with uncertain sizes. Let them easily get the recommendation of what will fit them. Get a competitive advantage thanks to SizeID Advisor which works on an advanced algorithm and gives customers certainty while shopping.

  • Optimal size recommendation
  • Detailed information about how clothing fits individual parts of the body 2
  • View of the size chart for the product
  • Easy guide on how to get measurements
  • Recommendation based on brands customers usually wear
  • Family and friends connection to get recommendation even for them
  • Powerful Size Chart Management

You can work with any type of Size Chart data but the customer will always get a simple and unified size recommendation. Only SizeID can do it thanks to our powerful algorithms.

  • Fill in body or product measurements
  • Use exact or range of measurements
  • Automatic conversion to the metric system
  • Customize the size chart to clothing in general or to a specific type of clothing (sports leggings, winter jacket, slim fit shirt, etc.)
  • Try the recommendation while setting up the size chart
  • Help at hand during use
  • and much more…

See the app in action

Explore how the app works in an example store.

View example store

Media gallery


Pricing 14-day free trial



  • Up to 20 size charts for your products

  • Up to 300 uses of SizeID Advisor

  • Unlimited number of products where you use SizeID functions



  • Up to 50 size charts for your products

  • Up to 1 000 uses of SizeID Advisor

  • Unlimited number of products where you use SizeID functions



  • Up to 100 size charts for your products

  • Up to 5 000 uses of SizeID Advisor

  • Unlimited number of products where you use SizeID functions



  • Up to 200 size charts for your products

  • Up to 20 000 uses of SizeID Advisor

  • Unlimited number of products where you use SizeID functions

* All charges are billed in USD. Recurring charges, including monthly or usage-based charges, are billed every 30 days.

5.0 of 5 stars

The overall rating reflects the current state of the app. It accounts for all app reviews but prioritizes the most recent ones.
  • 5 of 5 stars
    100% of ratings are 5 stars
  • 4 of 5 stars
    0% of ratings are 4 stars
  • 3 of 5 stars
    0% of ratings are 3 stars
  • 2 of 5 stars
    0% of ratings are 2 stars
  • 1 of 5 stars
    0% of ratings are 1 stars

Most recent reviews

Very good application especially for fashion shops. Recommend customers size. Decreased the percentage of my return due to size. Great customer support