How to Use HTTPS with Local n8n (for Free) Using Ngro - Fix n8n Webhook’s Problem ‼️. If your n8n webhooks aren’t working, it might be because you’re not using HTTPS and some third-party tools require it to function. In this quick tutorial, I’ll show you how to use Ngrok to expose your local n8n instance securely over HTTPS completely free. This is a must-know trick if you: • Want to test workflows with tools that need HTTPS • Are self-hosting n8n locally on your PC • Don’t want to deploy to the cloud just to use HTTPS ✅ What you’ll learn: • How to install and use Ngrok • How to expose your local n8n webhook securely • How to update your webhook URL in n8n • Why HTTPS matters for integrations and APIs