diff --git a/CHANGELOG.md b/CHANGELOG.md
index 86f56da295a..b0e0df32991 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -46,6 +46,7 @@ Note that this project **does not** adhere to [Semantic Versioning](https://semv
 - We added an option to choose the group during import of the entry(s). [#9191](https://github.com/JabRef/jabref/issues/9191)
 - We added an option to search and filter the fields and formatters in the Clean up entries dialog. [#13890](https://github.com/JabRef/jabref/issues/13890)
 - We added support for managing multiple linked files via the entry context menu. [#12567](https://github.com/JabRef/jabref/issues/12567)
+- We changed  fixed-value ComboBoxes to SearchableComboBox for better usability. [#14083](https://github.com/JabRef/jabref/issues/14083)
 
 ### Changed
 
diff --git a/jabgui/src/main/java/org/jabref/gui/importer/fetcher/WebSearchPaneView.java b/jabgui/src/main/java/org/jabref/gui/importer/fetcher/WebSearchPaneView.java
index d5347ccc061..53b2c09f492 100644
--- a/jabgui/src/main/java/org/jabref/gui/importer/fetcher/WebSearchPaneView.java
+++ b/jabgui/src/main/java/org/jabref/gui/importer/fetcher/WebSearchPaneView.java
@@ -5,7 +5,6 @@
 import javafx.beans.value.ObservableBooleanValue;
 import javafx.css.PseudoClass;
 import javafx.scene.control.Button;
-import javafx.scene.control.ComboBox;
 import javafx.scene.control.TextField;
 import javafx.scene.control.Tooltip;
 import javafx.scene.input.KeyCode;
@@ -27,6 +26,7 @@
 import org.jabref.logic.l10n.Localization;
 
 import com.tobiasdiez.easybind.EasyBind;
+import org.controlsfx.control.SearchableComboBox;
 
 public class WebSearchPaneView extends VBox {
 
@@ -84,8 +84,8 @@ private void addQueryValidationHints(TextField query) {
     /**
      * Create combo box for selecting fetcher
      */
-    private ComboBox<SearchBasedFetcher> createFetcherComboBox() {
-        ComboBox<SearchBasedFetcher> fetchers = new ComboBox<>();
+    private SearchableComboBox<SearchBasedFetcher> createFetcherComboBox() {
+        SearchableComboBox<SearchBasedFetcher> fetchers = new SearchableComboBox<>();
         new ViewModelListCellFactory<SearchBasedFetcher>()
                 .withText(SearchBasedFetcher::getName)
                 .install(fetchers);
diff --git a/jabgui/src/main/java/org/jabref/gui/preferences/customentrytypes/CustomEntryTypesTab.java b/jabgui/src/main/java/org/jabref/gui/preferences/customentrytypes/CustomEntryTypesTab.java
index 832cde6eb81..38a62602124 100644
--- a/jabgui/src/main/java/org/jabref/gui/preferences/customentrytypes/CustomEntryTypesTab.java
+++ b/jabgui/src/main/java/org/jabref/gui/preferences/customentrytypes/CustomEntryTypesTab.java
@@ -6,7 +6,6 @@
 import javafx.fxml.FXML;
 import javafx.scene.Group;
 import javafx.scene.control.Button;
-import javafx.scene.control.ComboBox;
 import javafx.scene.control.Label;
 import javafx.scene.control.TableColumn;
 import javafx.scene.control.TableRow;
@@ -40,6 +39,7 @@
 import com.tobiasdiez.easybind.EasyBind;
 import de.saxsys.mvvmfx.utils.validation.visualization.ControlsFxVisualizer;
 import jakarta.inject.Inject;
+import org.controlsfx.control.SearchableComboBox;
 
 public class CustomEntryTypesTab extends AbstractPreferenceTabView<CustomEntryTypesTabViewModel> implements PreferencesTab {
 
@@ -52,7 +52,7 @@ public class CustomEntryTypesTab extends AbstractPreferenceTabView<CustomEntryTy
     @FXML private TableColumn<FieldViewModel, Boolean> fieldTypeColumn;
     @FXML private TableColumn<FieldViewModel, String> fieldTypeActionColumn;
     @FXML private TableColumn<FieldViewModel, Boolean> fieldTypeMultilineColumn;
-    @FXML private ComboBox<Field> addNewField;
+    @FXML private SearchableComboBox<Field> addNewField;
     @FXML private Button addNewEntryTypeButton;
     @FXML private Button addNewFieldButton;
 
diff --git a/jabgui/src/main/java/org/jabref/gui/preferences/external/ExternalTab.java b/jabgui/src/main/java/org/jabref/gui/preferences/external/ExternalTab.java
index 7f3c34c368b..cfea969d701 100644
--- a/jabgui/src/main/java/org/jabref/gui/preferences/external/ExternalTab.java
+++ b/jabgui/src/main/java/org/jabref/gui/preferences/external/ExternalTab.java
@@ -4,7 +4,6 @@
 import javafx.fxml.FXML;
 import javafx.scene.control.Button;
 import javafx.scene.control.CheckBox;
-import javafx.scene.control.ComboBox;
 import javafx.scene.control.TextField;
 
 import org.jabref.gui.actions.ActionFactory;
@@ -20,12 +19,13 @@
 
 import com.airhacks.afterburner.views.ViewLoader;
 import de.saxsys.mvvmfx.utils.validation.visualization.ControlsFxVisualizer;
+import org.controlsfx.control.SearchableComboBox;
 
 public class ExternalTab extends AbstractPreferenceTabView<ExternalTabViewModel> implements PreferencesTab {
 
     @FXML private TextField eMailReferenceSubject;
     @FXML private CheckBox autoOpenAttachedFolders;
-    @FXML private ComboBox<GuiPushToApplication> pushToApplicationCombo;
+    @FXML private SearchableComboBox<GuiPushToApplication> pushToApplicationCombo;
     @FXML private TextField citeCommand;
     @FXML private Button autolinkExternalHelp;
 
diff --git a/jabgui/src/main/java/org/jabref/gui/preferences/general/GeneralTab.java b/jabgui/src/main/java/org/jabref/gui/preferences/general/GeneralTab.java
index 50b3023808a..2ec82e3c46d 100644
--- a/jabgui/src/main/java/org/jabref/gui/preferences/general/GeneralTab.java
+++ b/jabgui/src/main/java/org/jabref/gui/preferences/general/GeneralTab.java
@@ -32,10 +32,11 @@
 import com.tobiasdiez.easybind.EasyBind;
 import de.saxsys.mvvmfx.utils.validation.visualization.ControlsFxVisualizer;
 import jakarta.inject.Inject;
+import org.controlsfx.control.SearchableComboBox;
 
 public class GeneralTab extends AbstractPreferenceTabView<GeneralTabViewModel> implements PreferencesTab {
 
-    @FXML private ComboBox<Language> language;
+    @FXML private SearchableComboBox<Language> language;
     @FXML private ComboBox<ThemeTypes> theme;
     @FXML private CheckBox themeSyncOs;
     @FXML private TextField customThemePath;
diff --git a/jabgui/src/main/resources/org/jabref/gui/preferences/customentrytypes/CustomEntryTypesTab.fxml b/jabgui/src/main/resources/org/jabref/gui/preferences/customentrytypes/CustomEntryTypesTab.fxml
index 5dbb82e844b..64b750d1639 100644
--- a/jabgui/src/main/resources/org/jabref/gui/preferences/customentrytypes/CustomEntryTypesTab.fxml
+++ b/jabgui/src/main/resources/org/jabref/gui/preferences/customentrytypes/CustomEntryTypesTab.fxml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <?import javafx.scene.control.Button?>
-<?import javafx.scene.control.ComboBox?>
 <?import javafx.scene.control.Label?>
 <?import javafx.scene.control.TableColumn?>
 <?import javafx.scene.control.TableView?>
@@ -11,6 +10,7 @@
 <?import javafx.scene.layout.Region?>
 <?import javafx.scene.layout.VBox?>
 <?import org.jabref.gui.icon.JabRefIconView?>
+<?import org.controlsfx.control.SearchableComboBox?>
 <fx:root spacing="10.0" type="VBox"
          xmlns="http://javafx.com/javafx" xmlns:fx="http://javafx.com/fxml"
          fx:controller="org.jabref.gui.preferences.customentrytypes.CustomEntryTypesTab">
@@ -61,7 +61,7 @@
                 </columnResizePolicy>
             </TableView>
             <HBox spacing="10.0" alignment="BASELINE_CENTER">
-                <ComboBox fx:id="addNewField" editable="true" prefWidth="150.0"/>
+                <SearchableComboBox fx:id="addNewField" editable="true" prefWidth="150.0"/>
                 <Button fx:id="addNewFieldButton"
                         prefHeight="20.0" prefWidth="20.0"
                         styleClass="icon-button,narrow" onAction="#addNewField">
diff --git a/jabgui/src/main/resources/org/jabref/gui/preferences/external/ExternalTab.fxml b/jabgui/src/main/resources/org/jabref/gui/preferences/external/ExternalTab.fxml
index 8db73e2b093..7a1886cb1c5 100644
--- a/jabgui/src/main/resources/org/jabref/gui/preferences/external/ExternalTab.fxml
+++ b/jabgui/src/main/resources/org/jabref/gui/preferences/external/ExternalTab.fxml
@@ -2,7 +2,6 @@
 
 <?import javafx.scene.control.Button?>
 <?import javafx.scene.control.CheckBox?>
-<?import javafx.scene.control.ComboBox?>
 <?import javafx.scene.control.Label?>
 <?import javafx.scene.control.TextField?>
 <?import javafx.scene.control.Tooltip?>
@@ -12,6 +11,7 @@
 <?import javafx.scene.layout.RowConstraints?>
 <?import javafx.scene.layout.VBox?>
 <?import org.jabref.gui.icon.JabRefIconView?>
+<?import org.controlsfx.control.SearchableComboBox?>
 <fx:root spacing="10.0" type="VBox"
          xmlns="http://javafx.com/javafx" xmlns:fx="http://javafx.com/fxml"
          fx:controller="org.jabref.gui.preferences.external.ExternalTab">
@@ -41,8 +41,8 @@
                 <RowConstraints minHeight="10.0" vgrow="SOMETIMES"/>
             </rowConstraints>
             <Label text="%Application to push entries to"/>
-            <ComboBox fx:id="pushToApplicationCombo"
-                      prefWidth="200.0" GridPane.columnIndex="1"/>
+            <SearchableComboBox fx:id="pushToApplicationCombo"
+                                prefWidth="200.0" GridPane.columnIndex="1"  editable="false"/>
             <Button styleClass="icon-button,narrow" onAction="#pushToApplicationSettings"
                     prefHeight="20.0" prefWidth="20.0" GridPane.columnIndex="2">
                 <graphic>
diff --git a/jabgui/src/main/resources/org/jabref/gui/preferences/general/GeneralTab.fxml b/jabgui/src/main/resources/org/jabref/gui/preferences/general/GeneralTab.fxml
index 6a4f71c5a36..643c42d0789 100644
--- a/jabgui/src/main/resources/org/jabref/gui/preferences/general/GeneralTab.fxml
+++ b/jabgui/src/main/resources/org/jabref/gui/preferences/general/GeneralTab.fxml
@@ -14,6 +14,7 @@
 <?import javafx.scene.layout.HBox?>
 <?import javafx.scene.layout.VBox?>
 <?import org.jabref.gui.icon.JabRefIconView?>
+<?import org.controlsfx.control.SearchableComboBox?>
 <fx:root spacing="10.0" type="VBox"
          xmlns="http://javafx.com/javafx" xmlns:fx="http://javafx.com/fxml"
          fx:controller="org.jabref.gui.preferences.general.GeneralTab">
@@ -28,7 +29,7 @@
                GridPane.rowIndex="0" GridPane.columnIndex="0" GridPane.columnSpan="3"/>
         <Label text="%Language"
                GridPane.rowIndex="1" GridPane.columnIndex="0"/>
-        <ComboBox fx:id="language" prefWidth="200.0"
+        <SearchableComboBox fx:id="language" prefWidth="200.0" editable="false"
                   GridPane.rowIndex="1" GridPane.columnIndex="1"/>
 
         <Label text="%Visual theme"