Question: Is there a tool that lets me add custom options to products and offers a live preview for customers?

If you need a tool that lets customers personalize products with custom options and see a live preview, Customily is a good option. It's got a lot of options for personalization, including text, logos, textures, images, maps and clipart, and with live preview, customers can see how their products will look before they buy. Customily can be integrated with a variety of e-commerce sites like Shopify, WooCommerce, BigCommerce, Etsy and Walmart, and it can export production files in different formats. It also offers social shopping integration and automated fulfillment with print-on-demand suppliers, which can help keep customers engaged and automate fulfillment.

Another option is MyEra, which is designed to get customers more engaged by providing a fluid and precise product customization experience. It offers photorealistic and accurate product previews across a range of e-commerce sites and devices, including omnichannel integration. MyEra lets customers virtually try on products and see interior design options in real-time, which can lead to higher conversion rates and revenue for your business. It offers flexible pricing options, including basic UI personalization and on-demand development.

If you're a print-on-demand seller on Shopify, Teeinblue is worth a look. It lets you easily add personalization options to products and comes with features like an easy-to-use Artwork Editor, mockup editing and live preview. Teeinblue also integrates with more than 20 print-on-demand services, and offers flexible pricing options, including a 14-day free trial. That can help you get your work done more efficiently and keep customers happy with the products you sell.