Open Source Localization Data
The Localization Encyclopedia for Developers
Free, open-source database of countries, currencies, languages, and locale codes. Perfect for developers building international applications.
Countries
Browse localization data for 250+ countries including codes, currencies, and formatting.
Languages
Explore processed data for world languages, including native names and countries.
Currency Formats
Symbol position, separators, and patterns for every currency in the world.
Airports
Database of 9,000+ airports with IATA/ICAO codes, coordinates, and regions.
Locale Codes
ISO 3166, BCP47, RFC4647, and all international standards reference.