Developer Guides
Guides on localhost tunneling, local webhook debugging, ngrok alternatives, and secure HTTPS tunnels for modern development teams.
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Mobile Testing with a Localhost Tunnel
Test your app on real iOS and Android devices from localhost. Use a secure HTTPS tunnel to validate responsive UI, touch interactions, and mobile auth flows.
Next.js Webhooks on Localhost, Done Right
Test Next.js webhooks locally with a tunnel. Raw body in route handlers, App Router edge cases, and the Stripe signature pattern that actually works.
PortPreview vs ngrok: Best Alternative
Looking for an ngrok alternative? Compare PortPreview vs ngrok for localhost tunneling, webhook debugging, open-source transparency, and request inspection.
PortPreview vs Cloudflare Tunnel: Different Tools
Cloudflare Tunnel and PortPreview both expose local services, but they target opposite problems. Real comparison for dev workflow vs production routing.
PortPreview vs localtunnel: Which to Use?
Compare PortPreview vs localtunnel for webhook debugging, HTTPS reliability, and request inspection. Find the best tunnel tool for your dev workflow.
Share Your Local Dev Server Publicly
Share your local dev server with teammates, clients, and stakeholders using a public HTTPS URL. No staging deploy needed for design reviews and demos.
Test Shopify Webhooks Locally Without Surprises
Test Shopify webhooks locally and stop chasing HMAC bugs. Real fixes for base64 signatures, raw body parsing, and the test-store gotchas nobody mentions.
Stripe Connect Webhooks: The Local Testing Guide
Test Stripe Connect webhooks locally. Account events, the connected-account header, deauthorization handling — what regular Stripe guides leave out.
Test the OpenAI Realtime API Locally Over a Tunnel
Test the OpenAI Realtime API on localhost with a WebSocket-friendly HTTPS tunnel. Ephemeral tokens, browser-side connections, and the debugging tricks that help.