NanoID Generator
Generate tiny, secure, URL-friendly unique string IDs. NanoID is more compact than UUID and faster than CUID2.
NanoID Generator
Choose your generator type and configure the settings
Standard NanoID uses URL-safe characters (A-Z, a-z, 0-9, _, -) and is optimized for performance.
NanoID Benefits
Ultra Fast
2x faster than UUID, 3x faster than CUID2
URL Safe
Safe to use in URLs without encoding
Compact
Only 21 characters (vs 36 for UUID)
Cryptographically Secure
Uses crypto.getRandomValues()
Zero Dependencies
No external dependencies required
Tips
Use "No Lookalikes" alphabet to avoid confusing characters (0/O, 1/I/l)
NanoIDs are perfect for database primary keys and API endpoints
Shorter IDs (10-15 chars) are great for user-facing identifiers
Custom alphabets allow domain-specific character sets