10 Best JavaScript Localization Libraries

List hand-picked by Openbase Experts
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i18

Lightweight simple translation module for node.js / express.js with dynamic json storage. Uses common __('...') syntax in app and templates.

251K
3K
DefinitelyTyped
MIT
globalize

A JavaScript library for internationalization and localization that leverages the official Unicode CLDR JSON data

217K
4.7K
DefinitelyTyped
MIT
ng

A JavaScript implementation of gettext, a localization framework.

123K
179
DefinitelyTyped
ttag

📙 simple approach for javascript localization

10.9K
293
Built-in
MIT
cou

A translation and localization library for Node.js and the browser.

9.2K
241
DefinitelyTyped
MIT
web

Client-side internationalization / localization library

836
271
No support
WTFPL
persianjs

A simple library for Persian language localization.

704
341
No support
i18n-abide

Node.js express connect module for i18n and l10n support

611
144
DefinitelyTyped
in

I18n module for node, out of frustration with over complicated modules for translation & localization I created this module with simplicity in mind.

480
11
No support
MIT
gatsby-theme-i18n-lingui

This is a repo for Gatsby's official themes.

359
138
No support
MIT
gatsby-theme-i18n-react-i18next

This is a repo for Gatsby's official themes.

275
138
No support
MIT
ind

IndigoJS is an open source, JavaScript/NodeJS localization framework

125
2
No support
MIT
pol

i18n module for express

96
No support
gpt

A Gatsby plugin to translate source nodes from other plugins automatically using Google Api

87
2
No support
MIT
ge

The globalize middleware for the express framework

84
1
No support
MIT
et

Express middleware to handle sites in multiple languages

9
0
No support
MIT
gtl

Opionated solution for Gatsby localization

26
10
Built-in
MIT
tra

Multi-lingual translation library.

17
1
No support
GPL-3.0-or-later
express-mw-lang

Language-helper middleware for Express web server.

16
0
No support
MIT
ix

Simple i18n middleware for Express node framework

9
5
No support
MIT
loc

Full featured localization module for express.js

9
5
No support
@zyda/next-localization

Localization for Next.js

8
3
Built-in
MIT
codinglizards-localizer

A really super simple localization library

6
0
No support
lj

Passive localization JavaScript library

6
1
No support
MIT
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