ICU Message Syntax Tester

The ICU Message Syntax Tester is a tool that allows you to create and parse ICU message patterns. ICU message patterns are used in internationalization libraries like FormatJS, i18next and others.

Builder

The name of the variable that is used in the translation

The selector that is used in the translation

None

Preview

The formatted message based on the input

The intl string context variable "count" was not provided to the string "{count}"

The message pattern that is used in the translation

The value of the variable that is used in the translation

Different locales may have different formatting rules for the same message pattern

Choose locale