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x18n

x18n checks i18n locale files for missing, unused and broken keys, for humans, CI and coding agents.

What x18n does

It inspects translation files and the places where keys are called, flagging keys that are missing, unused or broken. It can rename keys across every locale file and every usage in the code. A browser interface lets people browse and edit translation keys.

Built for

  • Humans, CI and coding agents

Key features

  • Reports missing, unused and broken keys
  • Renames keys across locale files and code
  • Browser UI for browsing and editing keys
  • Exits with error code on failures
  • Detects i18n presets from dependencies

Pros

Pros

  • Changes to locale files keep their original format.
  • A dry-run option shows the diff before any rename is written.

Where x18n is listed

x18n is listed under code review in AI coding tools.

See MCP servers for coding and Claude skills for coding.

Refactoring and migrationSoftware testing

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