Guides

Temporary browser links for local work.

These guides answer the practical questions people ask before they can use a local app, generated file, or AI coding agent preview from a normal browser URL.

Localhost sharing

How to share a localhost app without deploying

Why localhost does not work from another machine, when a temporary tunnel helps, and where Quackshell fits.

AI coding agents

How AI coding agents can show local previews

Use a browser-visible link when Codex, Claude Code, or another coding agent builds something locally.

Comparison

Quackshell vs ngrok for local previews

Compare a focused agent preview workflow with general-purpose tunnel tools.

Frontend apps

Share a local React, Vite, or Next.js app

Preview a dev server on a temporary URL without changing the app or deploying it.

Files and media

Share local PDFs, images, reports, and videos

Make generated artifacts inspectable with normal browser links, including range-friendly video previews.

Security

Is exposing localhost safe?

Understand signed random URLs, link sharing, secrets, and why temporary previews are not public endpoints.

FAQ

What is a Quackshell link?

Plain-English answers about Quackshell links, qshell links, lifetime, and intended use.