webflow-designer-extension
Webflow Designer Extension Development
Build extensions that run inside Webflow's Designer as iframes, interacting with the Designer API to manipulate elements, styles, pages, and more.
Quick Start Workflow
Prerequisite: Register your app in Webflow first — see references/register-app.md. You'll need a Workspace with Admin permissions.
- Scaffold:
npx create-webflow-extension@latest(interactive prompts for project name, package manager, linter) - Develop:
cd <name> && pnpm dev(serves at localhost:1337; also works with npm/yarn/bun) - Test: Install app on test site via Workspace Settings > Apps & Integrations > Develop
- Open: Press "E" in Designer to open app panel, launch extension
- Build:
pnpm buildfor deployment
CLI Options
npx create-webflow-extension@latest [project-name] [options]
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