Qt — Linguist Manual

Qt Linguist shines because it respects the translator. It provides context, prevents placeholder destruction, and handles complex grammatical plurals natively.

lupdate myapp.pro -ts myapp_de.ts myapp_fr.ts myapp_ja.ts qt linguist manual

QLabel *label = new QLabel(tr("Hello World")); Qt Linguist shines because it respects the translator

From the terminal or Qt Creator:

Even experienced developers misread the sometimes. Here are the top 3 mistakes: prevents placeholder destruction

Before opening Qt Linguist, your code must be ready. In your .pro file (qmake) or CMakeLists.txt , you must define the translation files: