dateformat
Node.js library for formatting dates.
- Status
- Generally available
- Last checked
- Checked · Oct 15, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
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.
Dateformat offers a straightforward, lightweight solution for date formatting in Node.js projects without the need for extensive configuration or setup.
When it fits — and when it doesn’t
A good fit 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.
Look elsewhere if
Real-time applications that require high-performance date manipulation.
Complex date and time calculations beyond simple formatting.
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited documentation and examples
The official documentation lacks comprehensive examples and detailed explanations, making it difficult for new users to understand how to use the library effectively.
- 02
No active development or maintenance
The last update was several years ago, indicating that the project is no longer actively maintained.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.
- 03
Limited support for advanced date formatting options
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.
- 04
Potential performance overhead in high-frequency applications
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.
What it does well
Supports various date formats and locales.
Easy to use with simple API.
Customizable format strings for flexible output.
Pricing
- Free tier
- YesOpen source — free to use
- Paid from
- $0
- Model
- Flat rate
- Enterprise plan
- No
Pricing not independently confirmed — check the vendor’s page.
Performance benchmarks
How Fast Is It?
Set up dateformat
Setup steps, common gotchas and what to check after 30 days.
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