Find the ISO code for any language
Search by English name, autonym, ISO 639 code, BCP 47 tag, Keyman code, or any alias in the SILICON crosswalk.
Names & autonyms
English, native names, alternate spellings
All major codes
ISO 639-1 / 2 / 3, BCP 47, Keyman, Glottolog
Ambiguity aware
Shows multiple candidates when a query is unclear