🆔

Nano ID Generator

Generate compact, URL-safe unique IDs with Nano ID.

Hashing & CryptoBrowser-only • PrivateFree

How manySize

Nano IDs

Output will appear here...

Privacy First: All processing happens locally in your browser. Your data never leaves your device and is never uploaded to any server.

About Nano ID Generator

The Nano ID Generator creates short, URL-safe unique identifiers using the Nano ID algorithm — a smaller, faster alternative to UUIDs that's ideal for links, database keys, and public-facing IDs. You can set the length to trade size against collision resistance. Generation runs locally in your browser with secure randomness and nothing uploaded. For standard identifiers use the UUID Generator, and for secrets the API Key Generator.

How to Use

1Open Nano ID Generator and paste or type your data into the input area.
2Adjust any available options to match the result you want.
3Your output is generated instantly — no button-clicking required for most tools.
4Use the Copy or Download button to save your result.

Common Use Cases

Generating checksums to verify file and data integrity
Creating unique identifiers for records and keys
Hashing passwords and secrets during development
Comparing hashes to detect tampering or duplicates

Frequently Asked Questions

Why choose Nano ID over UUID?

Nano IDs are shorter and URL-safe out of the box, so they're friendlier in links and take up less space, while still offering strong collision resistance thanks to a secure random alphabet.

Can I change the ID length?

Yes. You can set the length to balance compactness against collision safety — longer IDs are less likely to ever collide, shorter ones are tidier in URLs.

Is Nano ID Generator free to use?

Yes. Nano ID Generator is completely free with no sign-up, no subscription, and no usage limits. Every tool on CodeUtilityKit is free forever.

Is my data safe when I use Nano ID Generator?

Absolutely. Nano ID Generator runs entirely in your browser. Your input is processed locally with JavaScript and is never sent to, stored on, or logged by any server — so it is safe even for private or sensitive data.