js-yaml
Very fast YAML parser for JavaScript environments.
Pricing
See website
Flat rate
Adoption
→StableLicense
Open Source
Data freshness
—Overview
What is js-yaml?
js-yaml is a high-performance YAML parser and emitter for Node.js and browsers. It provides reliable and efficient handling of YAML data, making it an essential tool for developers working with configuration files or structured data in web applications.
Key differentiator
“js-yaml stands out as a lightweight, self-hosted solution for YAML parsing and emitting in JavaScript environments, offering high performance without external dependencies.”
Capability profile
Strength Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
Fit analysis
Who is it for?
✓ Best for
Developers working with YAML-based configurations in Node.js and browser environments
Projects requiring fast and reliable YAML parsing and emitting capabilities
Teams needing a lightweight, self-hosted solution for YAML handling without external dependencies
✕ Not a fit for
Applications that require real-time data streaming or complex schema validation beyond basic YAML structure
Scenarios where the use of JSON or other formats is more appropriate due to performance or compatibility reasons
Cost structure
Pricing
Free Tier
None
Starts at
See website
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Next step
Get Started with js-yaml
Step-by-step setup guide with code examples and common gotchas.