FormatJS

FormatJS offers industry-standard internationalization libraries designed for JavaScript applications on both client and server sides. Built on the robust ICU Message syntax and aligned with web standards like ECMA-402, FormatJS provides a suite of modular libraries that focus on formatting numbers, dates, and strings. These libraries are compatible with popular frameworks such as React and Vue, enabling seamless integration through components and hooks. The toolkit ensures consistent internationalization across browsers and environments, including Node.js and Rust, supporting high-performance parsing and formatting. Trusted by over 14,000 GitHub stars and used by more than 1,000 companies, FormatJS is a reliable choice for developers aiming for accurate and efficient localization in their web apps. Its compatibility with major browsers and mobile devices, along with native Rust implementations, makes it versatile for diverse development needs.