Software localization is a unique discipline at the intersection of linguistics and software engineering. It's not just about translating text strings in buttons and menus. Successful localization means adapting the entire software product (UI/UX, formats, encoding, HELP articles, user documentation) so it feels native to users in any target market.
- Internationalization (i18n) provides the technical foundation that allows software, websites and applications to be efficiently localized (l10n) for different markets.
- Translating user interfaces without contextual screenshots or access to the product environment can result in ambiguous or inaccurate translations.
- Linguistic Quality Assurance (LQA) testing helps identify issues such as text overflow, missing variables, incorrect placeholders and character encoding problems.
1. i18n vs. l10n — What's the Difference?
In the software industry, you'll frequently encounter the abbreviations i18n (Internationalization) and l10n (Localization):
- Internationalization (i18n): Designing and developing the application code so it can be easily adapted for different languages without modifying the source code (separating text from logic, UTF-8 support, dynamic placeholders).
- Localization (l10n): The actual process of translating and adapting text strings, graphics, help systems and documentation for a specific target market.
2. What Does Software Localization Include?
Successful software localization isn't limited to translating the user interface. It encompasses several interconnected areas that ensure the application feels natural, intuitive and fully functional for users in the target language.
User Interface (UI)
We translate and adapt all text elements in the application to meet the linguistic and functional requirements of the target market:
- Buttons and menus
- Dialog boxes and system messages
- Navigation and controls
- Alerts and error messages
We focus not only on linguistic accuracy but also on text length, readability and correct rendering in the UI.
User Experience (UX)
Localized software must meet the expectations of users in the target region. We adapt:
- Date, time and number formats
- Currencies and units of measurement
- Address and personal data formatting
- Cultural significance of icons, colors and graphics
Technical Localization
During the localization process, we preserve the technical integrity of your application and work directly with the existing development environment:
- Preservation of variables, placeholders and source code integrity
- Work with localization file formats (JSON, XML, XLIFF, RESX)
- Character encoding verification
- Platform and software compatibility testing
Associated Content Localization
Comprehensive software localization may also include translation and adaptation of the following:
- Online help documentation
- User manuals
- Knowledge bases
- Product websites
- Marketing materials
Avoid hardcoding text strings directly into source code. Do not build sentences by combining separate variables, as word order, grammatical cases and sentence structure vary significantly between languages. This approach can lead to incorrect or unnatural translations, especially in languages with complex grammar, such as Czech or German.
3. Linguistic Quality Assurance (LQA Testing)
After inserting translated files back into the application, we perform Linguistic Quality Assurance (LQA) testing. We identify and fix common visual issues:
- Text Overflow: We verify that longer German or Polish text doesn't exceed button or dialog box boundaries.
- Placeholder Variables: We confirm that dynamic values (e.g.
{user_name}or{count}) work correctly. - Contextual Accuracy: We check that interface elements are adapted correctly for each language. For example, languages such as Czech and German require careful handling of formal and informal forms of address, which can affect buttons, messages and user notifications.