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underground pick

The Localhost Sharing Tool You Haven't Heard Of

Sher generates instant preview URLs for local dev servers with zero friction — while you're paying for ngrok or struggling with Vercel previews.

April 3, 2026

The Localhost Sharing Tool You Haven't Heard Of

You haven't heard of Sher, but you should use it daily. While developers pay $5-20/month for ngrok Pro or wrestle with Vercel's preview URLs that require GitHub pushes, this free CLI tool solves localhost sharing with zero friction.

The Problem It Solves

Every developer faces this: you're working on a local project and need to share it quickly. Maybe you want client feedback, need to test on mobile, or want to show a teammate your progress.

The usual options suck:

  • ngrok's free tier has session limits and ugly URLs
  • Vercel preview URLs require committing and pushing to GitHub
  • Setting up SSH tunnels is a pain
  • "Just deploy it somewhere" breaks your development flow

Why Sher Is Better

Sher generates instant preview URLs with one command: sher. That's it. It works with all major frameworks — Vite, Next.js, Astro, or any local server. No account creation, no configuration files, no deployment pipeline.

The tool is production-ready with proper documentation and video tutorials. It just works, which is rare for developer tools that solve everyday problems.

Compared to Paid Alternatives

ngrok Pro costs $8-20/month for features that Sher provides free: custom subdomains, persistent URLs, and unlimited sessions. Vercel's preview system is "free" but requires your entire development workflow to revolve around Git commits.

Sher represents the best kind of utility: it solves a daily pain point with zero overhead. No subscription fatigue, no vendor lock-in, no complex setup.

The Unglamorous Excellence

This is what good developer tooling looks like: boring, reliable, and focused on removing friction from your workflow. It doesn't add new capabilities — it just makes existing workflows smoother.

Sometimes the best tools are the ones that disappear into your workflow and save you 30 seconds fifty times a day. Try sher next time you need to share localhost. It might become the tool you didn't know you needed but can't live without.