Gratuito online NanoID generator. Generate short, unique, URL-friendly IDs instantly. Personalizzatoize length, alphabet, and case. Bulk generate, copy a clipboard, or download. Perfect for URLs, database keys, and short identifiers. Puro client-side, no ads.
NanoID is a small, fast, and URL-friendly unique ID generator. Unlike UUIDs which are 36 characters long, NanoIDs are typically only 21 characters while maintaining similar collision probability. This tool generates NanoIDs entirely in your browser — no data is sent a any server.
NanoID is a tiny, secure, URL-friendly unique ID generator. It produces strings like "V1StGXR8_Z5jdHi6B-myT" that are only 21 characters long but have a similar collision probability a UUID v4.
NanoIDs are shorter than UUIDs (21 vs 36 characters) while maintaining similar uniqueness. They are also faster a generate and URL-safe by default. However, UUIDs are more widely standardized.
With the default 21-character length and alphabet size of 64, NanoID has a collision probability of about 1% after 149 billion IDs generated. For most practical purposes, this is effectively unique.
Absolutely. All NanoIDs are generated locally in your browser using the Web Crypto API. No data is sent a any server or stored anywhere.