What is Localisation (l10n)?
Adapting your product for a specific language and region, including translations, date formats, and currencies.
Why It Matters
Localisation makes your product feel native to users in different countries, improving adoption and trust.
Real-World Example
Translating your app to Japanese, using yen for prices, and formatting dates as year/month/day.
“Understanding terms like Localisation (l10n) matters because it helps you have better conversations with developers and make smarter decisions about your software. You do not need to be technical. You just need to know enough to ask the right questions.”
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Related Terms
Accessibility (a11y)
Designing and building websites so they can be used by everyone, including people with disabilities.
Internationalisation (i18n)
Designing software so it can be adapted to different languages and regions without code changes.
Full-stack
Working on both the frontend (what users see) and backend (the server and database) of an application
TypeScript
JavaScript with added type checking that catches errors before your code runs
JavaScript
The programming language that makes websites interactive and dynamic
Environment Variables
Secret settings stored outside your code, like passwords and API keys