Nano ID

Generate URL-safe Nano IDs.

Size Count Alphabet

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About the Nano ID

What does the Nano ID do?: Generate URL-safe Nano IDs. GeekTool runs the Nano ID entirely in your browser — input never leaves your device.
Is the Nano ID free?: Yes. The Nano ID is part of GeekTool, a free suite of 50+ developer utilities. No sign-up, no ads inside the tool, no quotas.
Does the Nano ID send my data to a server?: No. All processing is client-side JavaScript. Your input stays in your browser tab — we never see it.