pretty-ms vs date-fns
Side-by-side — pricing, strengths, tradeoffs, and fit.
pretty-ms
Converts milliseconds to human-readable time strings.
date-fns
Modern date utility for JavaScript and TypeScript.
At a glance
Open SourceFree Tier
● Established·From $0
Open SourceFree Tier
● Established·From $0
Overview
One-liner
One-liner
Converts milliseconds to human-readable time strings.
One-liner
Modern date utility for JavaScript and TypeScript.
Maturity
Maturity
EstablishedMaturity
EstablishedOpen source
Open source
✓ YesOpen source
✓ YesPricing
Free tier
Free tier
✓ AvailableOpen source — free to use
Free tier
✓ AvailableOpen source — free to use
Starts at
Starts at
$0
Starts at
$0
Model
Model
Flat rate
Model
Flat rate
Enterprise
Enterprise
✕ NoneEnterprise
✕ NoneBest for
✓ Best for
Developers who need to display time durations in a human-readable format.
Projects that require easy integration of time conversion utilities.
✓ Best for
Teams building TypeScript apps that require robust date handling
Developers working on projects with strict performance requirements
Projects needing a lightweight, modular date utility library
Not ideal for
✕ Not for
Scenarios requiring complex date and time manipulations beyond simple duration conversions.
Applications needing real-time clock synchronization or high-precision timing.
✕ Not for
Applications requiring complex time-series analysis or heavy data processing
Projects where a full-featured framework is preferred over standalone libraries
Strengths
↑ Strengths
Converts milliseconds to human-readable time strings.
Supports customizing the output format.
Lightweight and easy to integrate into projects.
↑ Strengths
Modular and lightweight
Simple, consistent API
No dependencies
Supports both JavaScript and TypeScript
Weaknesses
↓ Weaknesses
Limited customization options
Small community and limited support
No official documentation beyond basic usage examples
↓ Weaknesses
Limited timezone support
No built-in i18n support
Documentation lacks advanced use cases