diff --git a/Sources/HandySwiftUI/Localizable.xcstrings b/Sources/HandySwiftUI/Localizable.xcstrings
index 9afff5f..7153139 100644
--- a/Sources/HandySwiftUI/Localizable.xcstrings
+++ b/Sources/HandySwiftUI/Localizable.xcstrings
@@ -3624,458 +3624,6 @@
         }
       }
     },
-    "No emojis match '%@'" : {
-      "localizations" : {
-        "ar" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "لا توجد رموز تعبيرية مطابقة \"%@\""
-          }
-        },
-        "bg" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Няма подходящи емотикони за '%@'"
-          }
-        },
-        "ca" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "No hi ha emojis que coincideixin amb \"%@\""
-          }
-        },
-        "cs" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Žádné emodži neodpovídají '%@'"
-          }
-        },
-        "da" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Ingen emojis matcher '%@'"
-          }
-        },
-        "de" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Keine Emojis passen zu '%@'"
-          }
-        },
-        "el" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Δεν υπάρχουν emojis που ταιριάζουν με '%@'"
-          }
-        },
-        "en-GB" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "No emojis match '%@'"
-          }
-        },
-        "es" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Ningún emoji coincide con '%@'"
-          }
-        },
-        "fi" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Mikään emoji ei vastaa '%@'"
-          }
-        },
-        "fr" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Aucun emoji ne correspond à '%@'"
-          }
-        },
-        "fr-CA" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Aucun emoji ne correspond à '%@'"
-          }
-        },
-        "he" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "אין אימוג'ים שתואמים '%@'"
-          }
-        },
-        "hi" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "कोई emojis मैच '%@'"
-          }
-        },
-        "hr" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Nema podudaranja emojija '%@'"
-          }
-        },
-        "hu" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Nincs olyan emoji, amelyik megfelel a '%@'-nak"
-          }
-        },
-        "id" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Tidak ada emoji yang cocok dengan '%@'"
-          }
-        },
-        "it" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Non ci sono emoji che corrispondono a '%@'"
-          }
-        },
-        "ja" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "%@'にマッチする絵文字がない"
-          }
-        },
-        "kk" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "'%@' эмоциясы сәйкес келмейді"
-          }
-        },
-        "ko" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "'%@'와 일치하는 이모티콘이 없습니다"
-          }
-        },
-        "ms" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Tiada emoji sepadan dengan '%@'"
-          }
-        },
-        "nl" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Er komen geen emoji's overeen met '%@'"
-          }
-        },
-        "pl" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Żadne emoji nie pasują do '%@'"
-          }
-        },
-        "pt-BR" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Nenhum emoji corresponde a \"%@\""
-          }
-        },
-        "pt-PT" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Não há emojis correspondentes a \"%@\""
-          }
-        },
-        "ro" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Niciun emoji nu se potrivește cu \"%@"
-          }
-        },
-        "ru" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Ни один эмодзи не соответствует '%@'"
-          }
-        },
-        "sk" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Žiadne emotikony sa nezhodujú s '%@'"
-          }
-        },
-        "sv" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Inga emojis matchar '%@'"
-          }
-        },
-        "th" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "ไม่มีอิโมจิตรงกับ '%@'"
-          }
-        },
-        "tr" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "'%@' ile eşleşen emoji yok"
-          }
-        },
-        "uk" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Ніякі емодзі не відповідають '%@'"
-          }
-        },
-        "vi" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Không có biểu tượng cảm xúc nào khớp với '%@'"
-          }
-        },
-        "zh-Hans" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "没有与\"%@\"匹配的表情符号"
-          }
-        },
-        "zh-Hant" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "沒有與 '%@' 匹配的表情符號"
-          }
-        },
-        "zh-HK" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "沒有與'%@'匹配嘅表情符號"
-          }
-        }
-      }
-    },
-    "No matches" : {
-      "localizations" : {
-        "ar" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "لا توجد تطابقات"
-          }
-        },
-        "bg" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Няма съвпадения"
-          }
-        },
-        "ca" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Cap resultat"
-          }
-        },
-        "cs" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Žádné výsledky"
-          }
-        },
-        "da" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Ingen resultater"
-          }
-        },
-        "de" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Keine Treffer"
-          }
-        },
-        "el" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Κανένα αποτέλεσμα"
-          }
-        },
-        "en-GB" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "No matches"
-          }
-        },
-        "es" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Ningún resultado"
-          }
-        },
-        "fi" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Ei osumia"
-          }
-        },
-        "fr" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Aucun résultat"
-          }
-        },
-        "fr-CA" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Aucun résultat"
-          }
-        },
-        "he" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "אין תוצאות"
-          }
-        },
-        "hi" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "कोई परिणाम नहीं"
-          }
-        },
-        "hr" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Bez rezultata"
-          }
-        },
-        "hu" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Nincs egyezés"
-          }
-        },
-        "id" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Tidak ada kecocokan"
-          }
-        },
-        "it" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Nessun risultato"
-          }
-        },
-        "ja" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "該当なし"
-          }
-        },
-        "kk" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Сәйкестіктер жоқ"
-          }
-        },
-        "ko" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "일치하는 항목 없음"
-          }
-        },
-        "ms" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Tiada padanan"
-          }
-        },
-        "nl" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Niets gevonden"
-          }
-        },
-        "pl" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Brak pasujących"
-          }
-        },
-        "pt-BR" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Nenhum resultado"
-          }
-        },
-        "pt-PT" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Nenhum resultado"
-          }
-        },
-        "ro" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Niciun rezultat"
-          }
-        },
-        "ru" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Нет совпадений"
-          }
-        },
-        "sk" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Žiadne zhody"
-          }
-        },
-        "sv" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Inga träffar"
-          }
-        },
-        "th" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "ไม่มีรายการตรงกัน"
-          }
-        },
-        "tr" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Eşleşen yok"
-          }
-        },
-        "uk" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Немає збігів"
-          }
-        },
-        "vi" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "Không có kết quả nào"
-          }
-        },
-        "zh-Hans" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "无匹配项"
-          }
-        },
-        "zh-Hant" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "找不到符合的項目"
-          }
-        },
-        "zh-HK" : {
-          "stringUnit" : {
-            "state" : "translated",
-            "value" : "找不到符合的項目"
-          }
-        }
-      }
-    },
     "None" : {
       "localizations" : {
         "ar" : {
diff --git a/Sources/HandySwiftUI/Types/Views/MultiSelectionView.swift b/Sources/HandySwiftUI/Types/Views/MultiSelectionView.swift
index f2878b5..ed74025 100644
--- a/Sources/HandySwiftUI/Types/Views/MultiSelectionView.swift
+++ b/Sources/HandySwiftUI/Types/Views/MultiSelectionView.swift
@@ -82,8 +82,10 @@ struct MultiSelectionView<Selectable: Identifiable & Hashable>: View {
 
          #if os(macOS)
             Section {
-               Button("Done") {
+               Button {
                   self.dismiss()
+               } label: {
+                  Self.doneButtonText
                }
                .frame(maxWidth: .infinity, alignment: .trailing)
             }
@@ -94,6 +96,11 @@ struct MultiSelectionView<Selectable: Identifiable & Hashable>: View {
       #endif
    }
 
+   /// The title of the button that closes the selection sheet on macOS.
+   static var doneButtonText: Text {
+      Text("Done", bundle: .module)
+   }
+
    /// Creates a boolean binding for a given selectable item.
    ///
    /// This is used for creating toggles on macOS.
diff --git a/Sources/HandySwiftUI/Types/Views/SearchableGridPicker.swift b/Sources/HandySwiftUI/Types/Views/SearchableGridPicker.swift
index 701b824..cabd1eb 100644
--- a/Sources/HandySwiftUI/Types/Views/SearchableGridPicker.swift
+++ b/Sources/HandySwiftUI/Types/Views/SearchableGridPicker.swift
@@ -58,6 +58,11 @@ public struct SearchableGridPicker<Option: SearchableOption>: View {
       }
    }
 
+   /// The text shown in place of the selected option while nothing is selected.
+   static var noSelectionText: Text {
+      Text("None", bundle: .module)
+   }
+
    /// Initializes a `SearchableGridPicker` with a title, a list of options, and a binding to the selection.
    ///
    /// - Parameters:
@@ -85,7 +90,7 @@ public struct SearchableGridPicker<Option: SearchableOption>: View {
                   if let selection {
                      selection.view.scaleEffect(0.75)
                   } else {
-                     Text("None")
+                     Self.noSelectionText
                   }
 
                   Image(systemName: "chevron.right")
@@ -102,11 +107,7 @@ public struct SearchableGridPicker<Option: SearchableOption>: View {
       .navigationDestination(isPresented: self.$showPicker) {
          Group {
             if self.filteredOptions.isEmpty {
-               ContentUnavailableView(
-                  "No matches",
-                  systemImage: "exclamationmark.magnifyingglass",
-                  description: Text("No emojis match '\(self.searchText)'")
-               )
+               ContentUnavailableView.search(text: self.searchText)
                .frame(maxHeight: .infinity, alignment: .center)
             } else {
                ScrollView {
diff --git a/Tests/HandySwiftUITests/LocalizationTests.swift b/Tests/HandySwiftUITests/LocalizationTests.swift
new file mode 100644
index 0000000..a6dc359
--- /dev/null
+++ b/Tests/HandySwiftUITests/LocalizationTests.swift
@@ -0,0 +1,70 @@
+import SwiftUI
+import Testing
+
+@testable import HandySwiftUI
+
+@MainActor
+struct LocalizationTests {
+   nonisolated static let catalogLanguages: [String] = Bundle.module.localizations.filter { $0 != "en" }.sorted()
+
+   nonisolated static func translation(of key: String, in language: String) -> String? {
+      guard
+         let path = Bundle.module.path(forResource: language, ofType: "lproj"),
+         let bundle = Bundle(path: path)
+      else { return nil }
+
+      let value = bundle.localizedString(forKey: key, value: "⚠️ missing", table: nil)
+      return value == "⚠️ missing" ? nil : value
+   }
+
+   /// The languages translated in the String Catalog of the sources, read from the catalog file itself.
+   static func languagesInSourceCatalog() throws -> Set<String> {
+      let catalogURL = URL(fileURLWithPath: #filePath)
+         .deletingLastPathComponent().deletingLastPathComponent().deletingLastPathComponent()
+         .appending(path: "Sources/HandySwiftUI/Localizable.xcstrings")
+      let catalog = try JSONSerialization.jsonObject(with: Data(contentsOf: catalogURL)) as? [String: Any]
+      let strings = try #require(catalog?["strings"] as? [String: [String: Any]])
+      return Set(strings.values.flatMap { ($0["localizations"] as? [String: Any])?.keys.map { $0 } ?? [] })
+   }
+
+   @Test
+   func compiledBundleContainsEveryCatalogLanguage() throws {
+      let sourceLanguages = try Self.languagesInSourceCatalog().subtracting(["en"])
+
+      #expect(!sourceLanguages.isEmpty)
+      #expect(Set(Self.catalogLanguages) == sourceLanguages)
+   }
+
+   @Test(arguments: ["None", "Done"])
+   func keyIsTranslatedIntoEveryLanguage(key: String) {
+      for language in Self.catalogLanguages {
+         #expect(Self.translation(of: key, in: language) != nil, "\(key) has no \(language) translation")
+      }
+   }
+
+   /// Renders a text with the given language as environment locale.
+   func render(_ text: Text, language: String) -> Data? {
+      renderedPixels(of: text.environment(\.locale, Locale(identifier: language)))
+   }
+
+   /// Checks that the text no longer renders the English source in the given language. A pixel-exact comparison with the expected
+   /// translation is not possible for every language: localized texts pick language-specific glyphs (Chinese, Bulgarian) that a
+   /// verbatim reference text does not get.
+   func expectLocalized(_ text: Text, key: String, language: String) throws {
+      let translation = try #require(Self.translation(of: key, in: language))
+      guard translation != key else { return }
+
+      let englishSource = self.render(Text(verbatim: key), language: language)
+      #expect(self.render(text, language: language) != englishSource, "'\(key)' still renders in English for \(language)")
+   }
+
+   @Test(arguments: catalogLanguages)
+   func noSelectionTextIsLocalized(language: String) throws {
+      try self.expectLocalized(SearchableGridPicker<SFSymbol>.noSelectionText, key: "None", language: language)
+   }
+
+   @Test(arguments: catalogLanguages)
+   func doneButtonTextIsLocalized(language: String) throws {
+      try self.expectLocalized(MultiSelectionView<SFSymbol>.doneButtonText, key: "Done", language: language)
+   }
+}
diff --git a/Tests/HandySwiftUITests/RenderingHelpers.swift b/Tests/HandySwiftUITests/RenderingHelpers.swift
new file mode 100644
index 0000000..0189181
--- /dev/null
+++ b/Tests/HandySwiftUITests/RenderingHelpers.swift
@@ -0,0 +1,10 @@
+import SwiftUI
+
+/// Renders a view into raw pixel data so that two renderings can be compared for equality.
+@MainActor
+func renderedPixels(of view: some View) -> Data? {
+   let renderer = ImageRenderer(content: view)
+   renderer.scale = 1
+   guard let cgImage = renderer.cgImage else { return nil }
+   return cgImage.dataProvider?.data as Data?
+}