NanoID
Tiny, secure, URL-friendly unique string ID generator.
Pricing
Free tier
Flat rate
Adoption
↗RisingLicense
Open Source
Data freshness
Verified · Jul 15, 2026Overview
What is NanoID?
NanoID is a lightweight library for generating tiny, secure, and URL-friendly unique IDs. It's ideal for creating identifiers in web applications where readability and uniqueness are crucial.
Key differentiator
“NanoID stands out as the smallest, fastest, and most secure ID generator for web applications, offering unparalleled flexibility in generating URL-friendly unique identifiers.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
Primary support is for JavaScript, which can be a limitation for projects in other languages
The tool has relatively fewer contributors and less comprehensive documentation compared to more established libraries like UUID
Security depends on proper usage of the library, including setting appropriate size and character set for generated IDs
May require custom integration efforts to fit into existing ID generation schemes or database schemas
Fit analysis
Who is it for?
✓ Best for
Web developers needing lightweight ID generation for URL-friendly IDs
Projects requiring secure and customizable unique identifiers
Applications where performance and size are critical considerations
✕ Not a fit for
Scenarios requiring extremely long or complex IDs beyond NanoID's customization options
Use cases that demand a managed service rather than a library solution
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Works well with
Integrations
Next step
Get Started with NanoID
Step-by-step setup guide with code examples and common gotchas.