# Skill Localization > Internationalization (i18n) and localization (l10n) strategy, string externalization, plural and gender handling, right-to-left text support, cultural adaptation, translation workflow, locale-specific testing. Use when adding multi-language support, managing translations, or expanding to new locales. - Skill: `saitarrun/skill-localization` (Agent Skill) - Install (CLI): `npx skillmds@latest add saitarrun/skill-localization` - Raw SKILL.md: https://api.skillmd.com/api/skills/saitarrun/skill-localization/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Productivity - Author: saitarrun (https://skillmd.com/u/saitarrun) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/saitarrun/skill-localization --- # Skill: Localization (i18n/l10n) String externalization + translation workflow + cultural adaptation = global product. ## String Externalization **Don't embed strings in code**: ```python # ✗ Bad message = "Hello, " + user.name # ✓ Good (externalizable) message = t("greeting", name=user.name) ``` ## Translation File Format ```yaml # locales/en.yaml greeting: "Hello, {name}" hello_world: "Hello, World!" # locales/es.yaml greeting: "Hola, {name}" hello_world: "¡Hola, Mundo!" # locales/fr.yaml greeting: "Bonjour, {name}" hello_world: "Bonjour, le monde!" ``` ## Pluralization ``` messages: en: item_count: one: "You have 1 item" other: "You have {count} items" es: item_count: one: "Tienes 1 artículo" other: "Tienes {count} artículos" ``` ## Right-to-Left (RTL) Support ```html ... body { direction: rtl; text-align: right; } ``` ## Dates & Times ``` en-US: 01/15/2024 en-GB: 15/01/2024 de-DE: 15.01.2024 ``` Use locale-aware formatting: ```python from babel.dates import format_date format_date(date, format='medium', locale='de_DE') ``` ## Translation Workflow 1. **Extract**: Find translatable strings 2. **Upload**: To translation platform (Crowdin, Transifex) 3. **Translate**: Humans + review 4. **Download**: Translated files 5. **Test**: Each locale 6. **Deploy**: With fallback to English --- **Status**: Ready for localization work **Best for**: i18n implementation, translation management, global expansion