unique-random
Generate random numbers that are consecutively unique.
Pricing
Free tier
Flat rate
Adoption
↘CoolingLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is unique-random?
Unique Random is a simple yet powerful tool for generating sequences of unique random numbers. It ensures each number in the sequence does not repeat until all possible values have been used, making it ideal for scenarios requiring non-repeating randomness.
Key differentiator
“Unique Random stands out as a simple, easy-to-use library specifically designed for generating unique random numbers in JavaScript applications.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
The tool is primarily designed for JavaScript and lacks robust support or integration with other programming languages.
Due to its niche focus, the project has a small user base which results in less comprehensive documentation and fewer resources for troubleshooting.
As the size of the sequence increases, the tool's performance can significantly slow down due to its algorithmic complexity.
Fit analysis
Who is it for?
✓ Best for
Developers needing to generate a sequence of unique random numbers in JavaScript applications
Testing scenarios where each number must be unique within a given range
✕ Not a fit for
Scenarios requiring real-time generation of very large sequences (due to memory constraints)
Use cases that require extremely high performance or low latency for generating random numbers
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
Integrations
Next step
Get Started with unique-random
Step-by-step setup guide with code examples and common gotchas.