Overview
nanoid2 is a lightweight, secure, and URL-friendly unique ID generator for Dart, designed to produce cryptographically strong random strings. It offers a pure Dart implementation with minimal overhead, making it ideal for generating short, safe identifiers across multiple platforms. The package ensures uniqueness and unpredictability, suitable for use in tokens, session IDs, or database keys. Its API is simple and intuitive, prioritizing security without sacrificing performance or ease of use.
Use cases
- Generating secure session tokens
- Creating unique database record IDs
- Producing URL-safe identifiers for web apps
- Securely naming files or resources
- Building APIs requiring unique request IDs
Key features
- Cryptographically secure random generation
- URL-safe character set
- Tiny code size and low memory usage
- Pure Dart implementation
- Cross-platform compatibility
- Simple and intuitive API
Suitable for
- Web and mobile app developers
- Backend services needing unique IDs
- Applications requiring high security
- Projects with strict size constraints
- Developers seeking a lightweight alternative to UUIDs
Considerations
- Not suitable for deterministic ID generation
- Requires proper seeding for cryptographic safety
- May not be ideal for very high-frequency ID generation without optimization
- Limited customization options compared to full-featured libraries