diff --git a/.gitignore b/.gitignore
index 316173f..8a79d54 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,6 +20,7 @@ bld/
 [Oo]bj/
 [Ll]og/
 [Ll]ogs/
+*.Designer.cs
 
 # .NET Core
 project.lock.json
@@ -49,4 +50,4 @@ CodeCoverage/
 # NUnit
 *.VisualState.xml
 TestResult.xml
-nunit-*.xml
+nunit-*.xml
\ No newline at end of file
diff --git a/UI/AboutWindow.axaml b/UI/AboutWindow.axaml
index a4a6e52..a096de1 100644
--- a/UI/AboutWindow.axaml
+++ b/UI/AboutWindow.axaml
@@ -2,24 +2,15 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        mc:Ignorable="d" d:DesignWidth="400" d:DesignHeight="180"
-        Width="400" Height="180"
+        xmlns:assets="clr-namespace:TagHierarchyManager.UI.Assets"
+        mc:Ignorable="d" d:DesignWidth="405" d:DesignHeight="140"
+        Width="405" Height="180"
         x:Class="TagHierarchyManager.UI.AboutWindow"
         Title="AboutWindow">
     <StackPanel HorizontalAlignment="Center" Margin="10">
-        <TextBlock FontSize="30" TextAlignment="Center">
-            Tag Hierarchy Manager
-        </TextBlock>
-        <TextBlock TextAlignment="Center">
-            (c) Flaky 2025
-            <LineBreak/><LineBreak/>
-            Licensed under MIT
-        </TextBlock>
-        <HyperlinkButton HorizontalContentAlignment="Center">
-            https://github.com/FlakyBlueJay/TagHierarchyManager
-        </HyperlinkButton>
-        <Button HorizontalAlignment="Center">OK</Button>
+        <TextBlock FontSize="30" TextAlignment="Center" Text="{x:Static assets:Resources.Title}"/>
+        <TextBlock TextAlignment="Center" Text="{x:Static assets:Resources.CopyrightAndLicense}"/>
+        <HyperlinkButton HorizontalContentAlignment="Center" Content="{x:Static assets:Resources.URL}" />
+        <Button HorizontalAlignment="Center" Content="{x:Static assets:Resources.ButtonOk}"/>
     </StackPanel>
-    
-    
 </Window>
diff --git a/UI/Assets/Resources.resx b/UI/Assets/Resources.resx
new file mode 100644
index 0000000..30261ea
--- /dev/null
+++ b/UI/Assets/Resources.resx
@@ -0,0 +1,131 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<root>
+    <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+        <xsd:element name="root" msdata:IsDataSet="true">
+        </xsd:element>
+    </xsd:schema>
+    <resheader name="resmimetype">
+        <value>text/microsoft-resx</value>
+    </resheader>
+    <resheader name="version">
+        <value>1.3</value>
+    </resheader>
+    <resheader name="reader">
+        <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    </resheader>
+    <resheader name="writer">
+        <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    </resheader>
+    <data name="Title" xml:space="preserve">
+        <value>Tag Hierarchy Manager</value>
+    </data>
+    <data name="CopyrightAndLicense" xml:space="preserve">
+        <value>(c) Flaky 2025, licensed under MIT</value>
+    </data>
+    <data name="URL" xml:space="preserve">
+        <value>https://github.com/FlakyBlueJay/TagHierarchyManager</value>
+    </data>
+    <data name="MenuFile" xml:space="preserve">
+        <value>_File</value>
+    </data>
+    <data name="MenuItemNewDatabase" xml:space="preserve">
+        <value>_New database</value>
+    </data>
+    <data name="MenuItemImport" xml:space="preserve">
+        <value>_New from import...</value>
+    </data>
+    <data name="MenuItemOpen" xml:space="preserve">
+        <value>_Open</value>
+    </data>
+    <data name="MenuItemExport" xml:space="preserve">
+        <value>_Export</value>
+    </data>
+    <data name="MenuItemQuit" xml:space="preserve">
+        <value>_Quit</value>
+    </data>
+    <data name="MenuDatabase" xml:space="preserve">
+        <value>_Database</value>
+    </data>
+    <data name="MenuItemDatabaseSettings" xml:space="preserve">
+        <value>Database _settings</value>
+    </data>
+    <data name="MenuItemTotalTags" xml:space="preserve">
+        <value>Total tags: {0}</value>
+    </data>
+    <data name="MenuItemTotalTagsNoDatabase" xml:space="preserve">
+        <value>Total tags: 0</value>
+    </data>
+    <data name="MenuHelp" xml:space="preserve">
+        <value>_Help</value>
+    </data>
+    <data name="MenuItemAbout" xml:space="preserve">
+        <value>_About</value>
+    </data>
+    <data name="TabHierarchyTree" xml:space="preserve">
+        <value>Hierarchy Tree</value>
+    </data>
+    <data name="TabSearch" xml:space="preserve">
+        <value>Search</value>
+    </data>
+    <data name="ButtonAdd" xml:space="preserve">
+        <value>Add new tag...</value>
+    </data>
+    <data name="ButtonDelete" xml:space="preserve">
+        <value>Delete</value>
+    </data>
+    <data name="ButtonCancel" xml:space="preserve">
+        <value>Cancel</value>
+    </data>
+    <data name="ButtonSave" xml:space="preserve">
+        <value>Save</value>
+    </data>
+    <data name="ButtonOk" xml:space="preserve">
+        <value>OK</value>
+    </data>
+    <data name="StatusBlockReady" xml:space="preserve">
+        <value>Ready.</value>
+    </data>
+    <data name="WatermarkTagName" xml:space="preserve">
+        <value>Tag name (required)</value>
+    </data>
+    <data name="WatermarkTagParents" xml:space="preserve">
+        <value>Tag parents (Separated by semi-colons)</value>
+    </data>
+    <data name="WatermarkTagBindings" xml:space="preserve">
+        <value>Tag bindings (Separated by semi-colons, e.g. genre; style)</value>
+    </data>
+    <data name="WatermarkTagAliases" xml:space="preserve">
+        <value>Aliases/A.K.As (Separated by semi-colons)</value>
+    </data>
+    <data name="WatermarkTagNotes" xml:space="preserve">
+        <value>Notes</value>
+    </data>
+    <data name="CheckBoxTopLevel" xml:space="preserve">
+        <value>Is top level</value>
+    </data>
+    <data name="WatermarkSearchQuery" xml:space="preserve">
+        <value>Query to search for...</value>
+    </data>
+    <data name="ButtonSearch" xml:space="preserve">
+        <value>Search</value>
+    </data>
+    <data name="SearchModeFuzzy" xml:space="preserve">
+        <value>Fuzzy search</value>
+    </data>
+    <data name="SearchModeStartsWith" xml:space="preserve">
+        <value>Starts with...</value>
+    </data>
+    <data name="SearchModeEndsWith" xml:space="preserve">
+        <value>Ends with...</value>
+    </data>
+    <data name="SearchModeExactMatch" xml:space="preserve">
+        <value>Exact match</value>
+    </data>
+    <data name="DatabaseSettingsDbVersion" xml:space="preserve">
+        <value>Version: {0}</value>
+    </data>
+    <data name="DatabaseSettingsDefaultTagBindings" xml:space="preserve">
+        <value>Default tag bindings:</value>
+    </data>
+</root>
\ No newline at end of file
diff --git a/UI/DatabaseSettingsWindow.axaml b/UI/DatabaseSettingsWindow.axaml
index 029da9c..f2ade92 100644
--- a/UI/DatabaseSettingsWindow.axaml
+++ b/UI/DatabaseSettingsWindow.axaml
@@ -2,19 +2,18 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:assets="clr-namespace:TagHierarchyManager.UI.Assets"
         mc:Ignorable="d" d:DesignWidth="500" d:DesignHeight="160"
         Width="500" Height="160"
         x:Class="TagHierarchyManager.UI.DatabaseSettingsWindow"
         Title="Settings - ">
     <StackPanel Margin="5">
-        <TextBlock Margin="0 0 0 25">Version: 0</TextBlock>
-        <TextBlock>
-            Default tag binding:
-        </TextBlock>
-        <TextBox Name="DefaultTagBindingTextBox" Watermark="Tag bindings (separated by semi-colons, e.g. genre; style)"/>
+        <TextBlock Margin="0 0 0 25" Text="{x:Static assets:Resources.DatabaseSettingsDbVersion}"/>
+        <TextBlock Text="{x:Static assets:Resources.DatabaseSettingsDefaultTagBindings}"/>
+        <TextBox Name="DefaultTagBindingTextBox" Watermark="{x:Static assets:Resources.WatermarkTagBindings}"/>
         <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" Margin="0 25 0 0 ">
-            <Button Margin="0 0 5 0" >Cancel</Button>
-            <Button>OK</Button>
+            <Button Margin="0 0 5 0" Content="{x:Static assets:Resources.ButtonCancel}" />
+            <Button Content="{x:Static assets:Resources.ButtonOk}"/>
         </StackPanel>
     </StackPanel>
 </Window>
diff --git a/UI/MainWindow.axaml b/UI/MainWindow.axaml
index c2d017b..b4a0679 100644
--- a/UI/MainWindow.axaml
+++ b/UI/MainWindow.axaml
@@ -2,6 +2,7 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:assets="clr-namespace:TagHierarchyManager.UI.Assets"
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
         x:Class="TagHierarchyManager.UI.MainWindow"
         Title="Tag Hierarchy Manager">
@@ -15,49 +16,49 @@
     <DockPanel Name="Top">
         <Menu DockPanel.Dock="Top">
             <!-- TODO migrate to resx -->
-            <MenuItem Header="_File">
-                <MenuItem Header="_New database"/>
-                <MenuItem Header="_New from import..."/>
+            <MenuItem Header="{x:Static assets:Resources.MenuFile}">
+                <MenuItem Header="{x:Static assets:Resources.MenuItemNewDatabase}"/>
+                <MenuItem Header="{x:Static assets:Resources.MenuItemImport}"/>
                 <Separator/>
-                <MenuItem Header="_Open"/>
+                <MenuItem Header="{x:Static assets:Resources.MenuItemOpen}"/>
                 <Separator/>
-                <MenuItem Header="_Export"/>
-                <MenuItem Header="_Quit"/>
+                <MenuItem Header="{x:Static assets:Resources.MenuItemExport}"/>
+                <MenuItem Header="{x:Static assets:Resources.MenuItemQuit}"/>
             </MenuItem>
-            <MenuItem Header="_Database">
-                <MenuItem Header="_Settings"/>
+            <MenuItem Header="{x:Static assets:Resources.MenuDatabase}">
+                <MenuItem Header="{x:Static assets:Resources.MenuItemDatabaseSettings}"/>
                 <Separator/>
-                <MenuItem Header="Total tags: 0"/>
+                <MenuItem IsEnabled="False" Header="{x:Static assets:Resources.MenuItemTotalTagsNoDatabase}"/>
             </MenuItem>
-            <MenuItem Header="_Help">
+            <MenuItem Header="{x:Static assets:Resources.MenuHelp}">
                 <MenuItem Header="_About"/>
             </MenuItem>
         </Menu>
-        <TextBlock Name="StatusBlock" DockPanel.Dock="Bottom" Margin="5 5 0 5 ">Ready.</TextBlock>
+        <TextBlock Name="StatusBlock" DockPanel.Dock="Bottom" Margin="5 5 0 5 " Text="{x:Static assets:Resources.StatusBlockReady}"/>
         <Grid ColumnDefinitions="Auto, *"
               RowDefinitions="*"
               Margin="0 0 0 0"
               >
             <TabControl Grid.Column="0">
-                <TabItem Header="Hierarchy Tree">
+                <TabItem Header="{x:Static assets:Resources.TabHierarchyTree}">
                     <Grid RowDefinitions="*, Auto">
-                        <!-- TODO stretch this.-->
                         <TreeView Grid.Row="0" BorderThickness="5" BorderBrush="Teal" VerticalAlignment="Stretch">
                         <!-- TODO get the tag hierarchy loaded. -->
                         </TreeView>
-                        <Button Grid.Row="1" HorizontalAlignment="Stretch" HorizontalContentAlignment="Center">Add new tag</Button>
+                        <Button Grid.Row="1" HorizontalAlignment="Stretch"
+                                HorizontalContentAlignment="Center" 
+                                Content="{x:Static assets:Resources.ButtonAdd}"/>
                     </Grid>
-                    
                 </TabItem>
                 <TabItem Header="Search">
                     <StackPanel>
-                        <TextBox Watermark="Query to search for..." Margin="0 0 0 5"></TextBox>
+                        <TextBox Watermark="{x:Static assets:Resources.WatermarkSearchQuery}" Margin="0 0 0 5"></TextBox>
                         <Button Margin="0 0 0 5" HorizontalAlignment="Stretch" HorizontalContentAlignment="Center">Search</Button>
                         <ComboBox HorizontalAlignment="Stretch" Margin="0 0 0 5">
-                            <ComboBoxItem>Fuzzy search</ComboBoxItem>
-                            <ComboBoxItem>Starts with</ComboBoxItem>
-                            <ComboBoxItem>Ends with</ComboBoxItem>
-                            <ComboBoxItem>Exact match</ComboBoxItem>
+                            <ComboBoxItem Content="{x:Static assets:Resources.SearchModeFuzzy}"/>
+                            <ComboBoxItem Content="{x:Static assets:Resources.SearchModeStartsWith}"/>
+                            <ComboBoxItem Content="{x:Static assets:Resources.SearchModeEndsWith}"/>
+                            <ComboBoxItem Content="{x:Static assets:Resources.SearchModeExactMatch}"/>
                         </ComboBox>
                         <ListBox SelectionMode="Single">
                         </ListBox>
@@ -65,16 +66,16 @@
                 </TabItem>
             </TabControl>
                 <Grid Grid.Column="1" RowDefinitions="Auto, Auto, Auto, Auto, *, Auto" Margin="5">
-                    <TextBox Grid.Row="0" Name="NameTextbox" Watermark="Tag name" HorizontalAlignment="Stretch" Margin="3"/>
-                    <TextBox Grid.Row="1" Name="ParentsTextBox" Watermark="Tag parents (separated by semicolons)" HorizontalAlignment="Stretch" Margin="3"/>
-                    <TextBox Grid.Row="2" Name="BindingsTextBox" Watermark="Tag bindings (e.g. genre; style - separated by semicolons)" HorizontalAlignment="Stretch" Margin="3"/>
-                    <TextBox Grid.Row="3" Name="AliasesTextBox" Watermark="Aliases/A.K.As (separated by semi-colons)" HorizontalAlignment="Stretch" Margin="3"/>
-                    <TextBox Grid.Row="4" Name="NotesTextBox" Watermark="Notes" VerticalAlignment="Stretch" AcceptsReturn="True" TextWrapping="Wrap" MinHeight="100" Margin="3"/>
+                    <TextBox Grid.Row="0" Name="NameTextbox" Watermark="{x:Static assets:Resources.WatermarkTagName}" HorizontalAlignment="Stretch" Margin="3"/>
+                    <TextBox Grid.Row="1" Name="ParentsTextBox" Watermark="{x:Static assets:Resources.WatermarkTagParents}" HorizontalAlignment="Stretch" Margin="3"/>
+                    <TextBox Grid.Row="2" Name="BindingsTextBox" Watermark="{x:Static assets:Resources.WatermarkTagBindings}" HorizontalAlignment="Stretch" Margin="3"/>
+                    <TextBox Grid.Row="3" Name="AliasesTextBox" Watermark="{x:Static assets:Resources.WatermarkTagAliases}" HorizontalAlignment="Stretch" Margin="3"/>
+                    <TextBox Grid.Row="4" Name="NotesTextBox" Watermark="{x:Static assets:Resources.WatermarkTagNotes}" VerticalAlignment="Stretch" AcceptsReturn="True" TextWrapping="Wrap" MinHeight="100" Margin="3"/>
                     <Grid Grid.Row="5" ColumnDefinitions="*, Auto, Auto, Auto" Margin="3">
-                        <CheckBox Grid.Column="0" Name="TopLevelCheckBox">Is top level</CheckBox>
-                        <Button Grid.Column="1" Margin="0 0 5 0" >Delete</Button>
-                        <Button Grid.Column="2" Margin="0 0 5 0">Cancel</Button>
-                        <Button Grid.Column="3">Save</Button>
+                        <CheckBox Grid.Column="0" Name="TopLevelCheckBox" Content="{x:Static assets:Resources.CheckBoxTopLevel}"/>
+                        <Button Grid.Column="1" Margin="0 0 5 0"  Content="{x:Static assets:Resources.ButtonDelete}" />
+                        <Button Grid.Column="2" Margin="0 0 5 0" Content="{x:Static assets:Resources.ButtonCancel}" />
+                        <Button Grid.Column="3" Content="{x:Static assets:Resources.ButtonSave}" />
                     </Grid>
                 </Grid>
         </Grid>
diff --git a/UI/TagHierarchyManager.UI.csproj b/UI/TagHierarchyManager.UI.csproj
index 2bede4f..4207d2d 100644
--- a/UI/TagHierarchyManager.UI.csproj
+++ b/UI/TagHierarchyManager.UI.csproj
@@ -19,4 +19,19 @@
             <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
         </PackageReference>
     </ItemGroup>
+
+    <ItemGroup>
+      <EmbeddedResource Update="Assets\Resources.resx">
+        <Generator>PublicResXFileCodeGenerator</Generator>
+        <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+      </EmbeddedResource>
+    </ItemGroup>
+
+    <ItemGroup>
+      <Compile Update="Assets\Resources.Designer.cs">
+        <DesignTime>True</DesignTime>
+        <AutoGen>True</AutoGen>
+        <DependentUpon>Resources.resx</DependentUpon>
+      </Compile>
+    </ItemGroup>
 </Project>