qrcode
Generate QR codes and barcodes in Node.js applications.
Pricing
Free tier
Flat rate
Adoption
↘CoolingLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is qrcode?
qrcode is a powerful library for generating QR codes and barcodes directly within Node.js applications, making it easy to integrate barcode functionality into web services or command-line tools.
Key differentiator
“qrcode stands out as a lightweight, highly customizable Node.js library specifically designed for generating QR codes and barcodes directly within applications, offering extensive configuration options not found in simpler alternatives.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
The library primarily focuses on QR code generation and offers limited support for other barcode formats.
Generating a high volume of barcodes can lead to increased memory usage and slower processing times, impacting scalability.
The official documentation is sparse on detailed use cases and practical implementation tips, making it harder for new users to get started effectively.
Fit analysis
Who is it for?
✓ Best for
Developers needing to generate QR codes and barcodes within Node.js applications.
Projects requiring high customization of barcode generation parameters.
✕ Not a fit for
Applications that require real-time barcode scanning capabilities.
Use cases where a web-based interface for barcode creation is preferred over library integration.
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 qrcode
Step-by-step setup guide with code examples and common gotchas.