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localhost.run vs Microsoft Dev Tunnels: catalog facts
localhost.run	Microsoft Dev Tunnels
Freemium Free tunnels with random domains; custom domains cost $9 per month billed annually.	Free The CLI is free to install; usage terms are described in Microsoft's documentation.
Command line	Windows, macOS, Linux, Command line
Works with the standard SSH client, nothing to install No sign-up for free tunnels	Access control over who can reach a tunnel Group policy support for organizations
Free domains are not stable between sessions Custom domains require a paid subscription	Traffic is relayed through Microsoft's service Proprietary
Hosted service	Downloadable app, Hosted service
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.