Parse and stringify BCP 47 language tags

Resolve the preferred locale based on the value of an `Accept-Language` HTTP header.

Normalize, canonicalize, and format BCP 47 tags

A set of tools for working with accent data in Mozilla's Common Voice dataset

ISO 639 tables for managing autonyms, LCIDs and default ISO 15924 scripts in a machine-readable format

ISO 639 and IETF Language Code Lookup Tool

🔠 Super-fast locale matcher and normalizer in just 2 kB gzipped and no Intl dependency.

Code for parsing the IANA Language Subtag Registry and implementing BCP 47 support in Firefox.

A rust library for getting the current locale as a language code.

A pluggable BCP47 picker

PHP helpers to validate and normalize IETF BCP 47 language tag

BCP-47 related types for Dart

Java library for languages and BCP47

A collection of useful utilities for bcp47 and rfc4647

Parse and stringify BCP 47 language tags

The Language Variant Tag (LVTag) format is a systematic approach to language classification that extends the BCP 47 standard using private-use subtags. It enables precise identification of language varieties across multiple dimensions including formality, politeness, domain, and orthography.

JS utils to check your langs in (X)HTML files.

Provides standardized tags that is used to identify human languages and regions.

🧜‍♀️🌊 An RDF library for JavaScript.

Verify BCP47 Language Tags