timeago.js

timeago.js is a lightweight, 2kb open-source JavaScript library that automatically converts timestamps into human-readable relative time phrases like "3 hours ago" or "2 days ago." It is designed for developers who need a simple, dependency-free way to display dynamic, localized time differences in web applications. Its appeal lies in its minimal footprint, ease of integration, and support for multiple languages, making it an efficient choice for real-time UI updates without bloat.