This service lets you validate language tags such as de-CH
or en-US
according to BCP 47 (formerly RFC 4646) and the IANA Language Subtag Registry. The Language Tag Extensions Registry is not used by this service, but this may change in the future.
Separate multiple tags by comma or whitespace. Do not include quality values such as ;q=0.8
. As you type, the background color denotes whether all tags are well-formed and valid, any tag is invalid or any tag is not well-formed.
- Input
- Добрый
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- вечер
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- хотел
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- бы
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- порекомендовать
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- вам
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- наш
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- сайт
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- -
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- Игровые
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- автоматы
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- онлайн
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- который
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- отличается
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- от
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- всех
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- других
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- 1xbet
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- рабочее
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- зеркало
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- на
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
- Input
- сегодня
- Canonical
- Input is canonical
- False
- Well-formed
- False
- Valid
- False
- Registry date
- 2024-03-07
- Primary language subtag
- –
- Extended language subtags
- –
- Script subtag
- –
- Region subtag
- –
- Variant subtags
- –
- Extension subtags
- –
- Private subtags
- –
- Messages
- –
Feedback
Don't hesitate to send suggestions and comments to Christoph Schneegans (christoph@schneegans.de).