@formatjs/intl vs i18next

Side-by-side comparison of @formatjs/intl and i18next

@formatjs/intl v4.1.2 MIT
Weekly Downloads
2.5M
Stars
14.7K
Gzip Size
13.0 kB
License
MIT
Last Updated
19m ago
Open Issues
21
Forks
1.4K
Unpacked Size
43.9 kB
Dependencies
8
i18next v25.8.4 MIT
Weekly Downloads
12.6M
Stars
8.5K
Gzip Size
13.9 kB
License
MIT
Last Updated
3d ago
Open Issues
11
Forks
683
Unpacked Size
568.7 kB
Dependencies
1

Download Trends

Download trends for @formatjs/intl and i18next011.5M22.9M34.4M45.9MFeb 25May 25Aug 25Nov 25Feb 26
@formatjs/intl
i18next

Verdict

@formatjs/intl excels in providing a comprehensive API for formatting dates, numbers, and strings, making it particularly suitable for applications that require detailed internationalization features. It serves developers looking for an extensive set of tools focused on handling translations and pluralization in JavaScript apps.

i18next, on the other hand, is an internationalization framework that emphasizes flexibility and scalability, making it ideal for larger projects or teams that require a robust solution for localization needs. Its greater weekly download counts suggest a larger community and more extensive resource usage, which may benefit collaboration and support for new users.

When selecting between these two, consider the complexity of your project and the familiarity of your team with internationalization practices. @formatjs/intl might be preferable for straightforward localization tasks, while i18next is better suited for dynamic and flexible internationalization scenarios, especially in larger applications or those with diverse language needs.

Detailed Comparison

Criteria @formatjs/intl i18next
Flexibility More focused on internationalization specifics. Highly flexible, adaptable to various needs.
Open Issues 21 open issues might require more immediate attention. 11 open issues suggest a more stable solution.
GitHub Stars 14.7K stars, reflecting strong community interest. 8.5K stars, indicating solid, but lesser, interest.
Last Updated Last updated on 2026-02-07, indicating recent activity. Last updated on 2026-02-05, also recent but slightly older.
Use Case Fit Ideal for app localization without extensive customization. Best for complex applications requiring extensive language support.
Unpacked Size Compact at 43.9 kB for efficient use. Larger at 568.7 kB, which may affect performance in small projects.
Weekly Downloads 2.5M weekly downloads indicating solid use. 12.6M weekly downloads showing higher popularity.
Community Support Community support evident with higher star count. Less community engagement reflected in the star count.
Bundle Size (gzip) Smaller at 13.0 kB, beneficial for loading times. 13.9 kB, relatively close but still larger.
Overall Positioning @formatjs/intl specializes in detailed internationalization features. i18next focuses on flexibility for larger projects.
Migration Considerations Straightforward for teams familiar with localization. Can be complex due to flexibility; may require more setup.

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