Theia: Product Customizer

Live product designer with file uploads, options & print fees

by Rauf Nematli · Launched: July 2026 · Free plan available.

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Let customers personalize products with a live editor, file uploads, custom options & print fees.

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About Theia: Product Customizer

Theia turns any product into a personalized, print-ready product. Customers design directly on the product page — typing text, uploading images or sending print files — while you define the exact print area. Add custom options like dropdowns, swatches and date pickers, support front and back designs with color variant mockups, and download the original full-quality files from every order. No code needed: add the block from your theme editor in seconds. Live editor: customers place text and images inside your exact print area File upload mode with the formats and size limits you allow 9 custom option types: dropdowns, color and image swatches, dates and more Original print-ready files on every order, plus a design library Low-resolution warnings help prevent blurry prints Show more Show less

Last verified: July 24, 2026 · Fresh