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Cloudflare Tunnel Lets Developers Share Localhost Apps Publicly in One Command

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Developers often struggle to share locally running applications with others outside their network without a full deployment. Cloudflare's free tool, cloudflared, solves this by creating a public URL that proxies requests to a local server using a single terminal command. The tool establishes an outbound connection from the user's machine to Cloudflare, meaning no inbound ports are opened on the local network. It is useful for client demos, webhook testing, and cross-device testing during development, though the generated URL is publicly accessible and should not expose sensitive endpoints. Free quick tunnels come with a 200 concurrent request limit and lack SSE support; permanent setups require a named tunnel with a custom domain.

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Cloudflare Tunnel Lets Developers Share Localhost Apps Publicly in One Command · ShortSingh