dateformat
Node.js library for formatting dates.
Pricing
Free tier
Flat rate
Adoption
↘CoolingLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is dateformat?
Dateformat is an open-source Node.js library that provides a simple way to format date objects into strings. It supports various formats and locales, making it useful for developers who need consistent and customizable date representations in their applications.
Key differentiator
“Dateformat offers a straightforward, lightweight solution for date formatting in Node.js projects without the need for extensive configuration or setup.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
The official documentation lacks comprehensive examples and detailed explanations, making it difficult for new users to understand how to use the library effectively.
The last update was several years ago, indicating that the project is no longer actively maintained. This could lead to compatibility issues with newer versions of Node.js and potential security vulnerabilities.
While it supports basic date formats and locales, more complex formatting requirements or edge cases may not be covered, requiring additional custom code to achieve the desired output.
For applications that require frequent date format conversions (e.g., real-time data processing), the library might introduce a noticeable performance bottleneck compared to more optimized solutions.
Fit analysis
Who is it for?
✓ Best for
Developers working on Node.js projects who need to format dates consistently.
Projects requiring localization support for date formats.
Applications where custom date formatting is necessary but not complex.
✕ Not a fit for
Real-time applications that require high-performance date manipulation.
Complex date and time calculations beyond simple formatting.
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
Next step
Get Started with dateformat
Step-by-step setup guide with code examples and common gotchas.