ms.js
A tiny utility to convert human-readable time strings to milliseconds and vice versa.
What is ms.js?
ms is a JavaScript utility library that converts human-readable time expressions to milliseconds and milliseconds back to readable time strings. It solves the problem of consistently parsing and formatting time durations across different JavaScript environments with a simple, robust API.
JavaScript/TypeScript developers who need to handle time durations in applications, particularly those working with timers, scheduling, logging, or any feature requiring time interval calculations.
Developers choose ms for its tiny size, zero dependencies, comprehensive TypeScript support, and wide runtime compatibility—it works everywhere from browsers to Edge Runtime with consistent behavior.
Overview
Tiny millisecond conversion utility
Use Cases
Best For
- Converting user-input time strings to milliseconds for timers or delays
- Formatting milliseconds into human-readable durations for display
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