Platmart Size Charts is one of the best free size chart apps available for Shopify merchants in 2025. It offers an intuitive builder with clean, customizable designs that help eliminate sizing confusion and prevent returns. Users praise its user-friendly interface, quick support responses, and ability to add multiple size charts per product. The free plan includes 2 size charts with automatic unit conversion, making it an excellent starting point for online retailers looking to improve sizing accuracy.
Several free alternatives exist in the Shopify app store. Kiwi Size Chart & Recommender offers custom fit recommendations and stylish size guides with a 4.7-star rating. BF Size Chart & Size Guide provides customizable size charts and tables with a 4.9-star rating. MP Size Chart & Size Editor is another free option that helps improve fit accuracy and customer trust with a 4.9-star rating. Each alternative has unique features, but Platmart stands out for its ultra-fast loading and multiple size charts per product support.
To install Platmart Size Charts, navigate to the Shopify App Store and search for 'Platmart Size Chart & Guide'. Click the 'Add app' button and follow the installation prompts. The app integrates directly into your Shopify admin interface and works with the latest themes. Once installed, you can access the intuitive builder to create custom size charts by adding tables, images, text, and links for better sizing guidance.
With Platmart Size Charts, you can assign multiple size charts per product through the app's intuitive interface. Navigate to the product you want to edit, select the Platmart Size Charts section, and choose from your available size charts. The app supports flexible conditions, allowing you to display different size charts based on product variants, categories, or custom criteria. This feature helps provide more specific sizing guidance for different product types within your store.
Platmart Size Charts automatically switches between inches and centimeters based on customer preferences. When customers view your size charts, the app detects their preferred measurement system and displays all measurements accordingly. This eliminates confusion for international customers and reduces the need for manual conversion. The feature works seamlessly with multiple languages and Shopify Markets, ensuring your size guides are accessible globally without any performance impact on your store.
