Edit BigCommerce Stencil themes with AI, preview updates, and deploy confidently to your store in minutes.

ThemeClerk is an AI-powered theme editor built for BigCommerce merchants who want faster, safer Stencil customizations without the usual back-and-forth or guesswork. Instead of digging through templates and styles to make small changes, you can describe what you want in plain language and let ThemeClerk generate theme-aware code updates you can review and apply.

Whether you’re improving UX, matching your brand, or shipping conversion-focused updates, ThemeClerk helps you move from idea to implementation quickly while keeping you in control of what goes live.

With ThemeClerk you can:

ThemeClerk is ideal for teams who want to iterate faster, reduce reliance on developer hours for small tasks, and maintain a clean Stencil codebase as the store evolves. From quick fixes to ongoing optimization, it gives you a streamlined workflow for editing, previewing, and deploying theme changes powered by AI and guided by your final approval.