diff --git a/po/zh_TW.UTF-8.po b/po/zh_TW.UTF-8.po
new file mode 100644
index 0000000000..640ffc5e37
--- /dev/null
+++ b/po/zh_TW.UTF-8.po
@@ -0,0 +1,250 @@
+# Traditional Chinese (Taiwan) translations for com.mitchellh.ghostty package
+# Traditional Chinese (Taiwan) translation for com.mitchellh.ghostty.
+# Copyright (C) 2025 Mitchell Hashimoto
+# This file is distributed under the same license as the com.mitchellh.ghostty package.
+# Peter Dave Hello <hsu@peterdavehello.org>, 2025.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: com.mitchellh.ghostty\n"
+"Report-Msgid-Bugs-To: m@mitchellh.com\n"
+"POT-Creation-Date: 2025-03-19 08:54-0700\n"
+"PO-Revision-Date: 2025-03-17 22:07+0800\n"
+"Last-Translator: Peter Dave Hello <hsu@peterdavehello.org>\n"
+"Language-Team: Chinese (traditional)\n"
+"Language: zh_TW\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: src/apprt/gtk/ui/1.5/prompt-title-dialog.blp:5
+msgid "Change Terminal Title"
+msgstr "變更終端機標題"
+
+#: src/apprt/gtk/ui/1.5/prompt-title-dialog.blp:6
+msgid "Leave blank to restore the default title."
+msgstr "留空即可還原為預設標題。"
+
+#: src/apprt/gtk/ui/1.5/prompt-title-dialog.blp:9
+#: src/apprt/gtk/ui/1.5/ccw-paste.blp:10 src/apprt/gtk/CloseDialog.zig:44
+msgid "Cancel"
+msgstr "取消"
+
+#: src/apprt/gtk/ui/1.5/prompt-title-dialog.blp:10
+msgid "OK"
+msgstr "確定"
+
+#: src/apprt/gtk/ui/1.5/config-errors-dialog.blp:5
+msgid "Configuration Errors"
+msgstr "設定錯誤"
+
+#: src/apprt/gtk/ui/1.5/config-errors-dialog.blp:6
+msgid "One or more configuration errors were found. Please review the errors below, and either reload your configuration or ignore these errors."
+msgstr "發現有設定錯誤。請檢視以下錯誤，並重新載入設定或忽略這些錯誤。"
+
+#: src/apprt/gtk/ui/1.5/config-errors-dialog.blp:9
+msgid "Ignore"
+msgstr "忽略"
+
+#: src/apprt/gtk/ui/1.5/config-errors-dialog.blp:10
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:97
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:95
+msgid "Reload Configuration"
+msgstr "重新載入設定"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:6
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:6
+msgid "Copy"
+msgstr "複製"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:11
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:11
+#: src/apprt/gtk/ui/1.5/ccw-paste.blp:11
+msgid "Paste"
+msgstr "貼上"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:18
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:73
+msgid "Clear"
+msgstr "清除"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:23
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:78
+msgid "Reset"
+msgstr "重設"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:30
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:42
+msgid "Split"
+msgstr "分割"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:33
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:45
+msgid "Change Title…"
+msgstr "變更標題……"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:38
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:50
+msgid "Split Up"
+msgstr "向上分割"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:43
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:55
+msgid "Split Down"
+msgstr "向下分割"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:48
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:60
+msgid "Split Left"
+msgstr "向左分割"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:53
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:65
+msgid "Split Right"
+msgstr "向右分割"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:59
+msgid "Tab"
+msgstr "分頁"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:62
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:30
+#: src/apprt/gtk/Window.zig:246
+msgid "New Tab"
+msgstr "開新分頁"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:67
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:35
+msgid "Close Tab"
+msgstr "關閉分頁"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:73
+msgid "Window"
+msgstr "視窗"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:76
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:18
+msgid "New Window"
+msgstr "開新視窗"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:81
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:23
+msgid "Close Window"
+msgstr "關閉視窗"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:89
+msgid "Config"
+msgstr "設定"
+
+#: src/apprt/gtk/ui/1.0/menu-surface-context_menu.blp:92
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:90
+msgid "Open Configuration"
+msgstr "開啟設定"
+
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:85
+msgid "Terminal Inspector"
+msgstr "終端機檢查工具"
+
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:102
+#: src/apprt/gtk/Window.zig:960
+msgid "About Ghostty"
+msgstr "關於 Ghostty"
+
+#: src/apprt/gtk/ui/1.0/menu-window-titlebar_menu.blp:107
+msgid "Quit"
+msgstr "結束"
+
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-read.blp:6
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-write.blp:6
+msgid "Authorize Clipboard Access"
+msgstr "授權剪貼簿存取權限"
+
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-read.blp:7
+msgid "An application is attempting to read from the clipboard. The current clipboard contents are shown below."
+msgstr "有應用程式正嘗試讀取剪貼簿，目前的剪貼簿內容顯示如下。"
+
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-read.blp:10
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-write.blp:10
+msgid "Deny"
+msgstr "拒絕"
+
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-read.blp:11
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-write.blp:11
+msgid "Allow"
+msgstr "允許"
+
+#: src/apprt/gtk/ui/1.5/ccw-osc-52-write.blp:7
+msgid "An application is attempting to write to the clipboard. The current clipboard contents are shown below."
+msgstr "有應用程式正嘗試寫入剪貼簿，目前的剪貼簿內容顯示如下。"
+
+#: src/apprt/gtk/ui/1.5/ccw-paste.blp:6
+msgid "Warning: Potentially Unsafe Paste"
+msgstr "警告：可能有潛在安全風險的貼上操作"
+
+#: src/apprt/gtk/ui/1.5/ccw-paste.blp:7
+msgid "Pasting this text into the terminal may be dangerous as it looks like some commands may be executed."
+msgstr "將這段文字貼到終端機具有潛在風險，因為它看起來像是可能會被執行的命令。"
+
+#: src/apprt/gtk/inspector.zig:144
+msgid "Ghostty: Terminal Inspector"
+msgstr "Ghostty：終端機檢查工具"
+
+#: src/apprt/gtk/Surface.zig:1243
+msgid "Copied to clipboard"
+msgstr "已複製到剪貼簿"
+
+#: src/apprt/gtk/CloseDialog.zig:47
+msgid "Close"
+msgstr "關閉"
+
+#: src/apprt/gtk/CloseDialog.zig:87
+msgid "Quit Ghostty?"
+msgstr "是否要結束 Ghostty？"
+
+#: src/apprt/gtk/CloseDialog.zig:88
+msgid "Close Window?"
+msgstr "是否要關閉視窗？"
+
+#: src/apprt/gtk/CloseDialog.zig:89
+msgid "Close Tab?"
+msgstr "是否要關閉分頁？"
+
+#: src/apprt/gtk/CloseDialog.zig:90
+msgid "Close Split?"
+msgstr "是否要關閉分割區？"
+
+#: src/apprt/gtk/CloseDialog.zig:96
+msgid "All terminal sessions will be terminated."
+msgstr "所有終端機工作階段都將被終止。"
+
+#: src/apprt/gtk/CloseDialog.zig:97
+msgid "All terminal sessions in this window will be terminated."
+msgstr "此視窗中的所有終端機工作階段都將被終止。"
+
+#: src/apprt/gtk/CloseDialog.zig:98
+msgid "All terminal sessions in this tab will be terminated."
+msgstr "此分頁中的所有終端機工作階段都將被終止。"
+
+#: src/apprt/gtk/CloseDialog.zig:99
+msgid "The currently running process in this split will be terminated."
+msgstr "此分割區中目前執行的處理程序將被終止。"
+
+#: src/apprt/gtk/Window.zig:200
+msgid "Main Menu"
+msgstr "主選單"
+
+#: src/apprt/gtk/Window.zig:221
+msgid "View Open Tabs"
+msgstr "檢視開啟的分頁"
+
+#: src/apprt/gtk/Window.zig:295
+msgid "⚠️ You're running a debug build of Ghostty! Performance will be degraded."
+msgstr "⚠️ 您正在執行 Ghostty 的除錯版本！程式運作效能將會受到影響。"
+
+#: src/apprt/gtk/Window.zig:725
+msgid "Reloaded the configuration"
+msgstr "已重新載入設定"
+
+#: src/apprt/gtk/Window.zig:941
+msgid "Ghostty Developers"
+msgstr "Ghostty 開發者"
diff --git a/src/os/i18n.zig b/src/os/i18n.zig
index 475f5e705d..f39a3d1f4f 100644
--- a/src/os/i18n.zig
+++ b/src/os/i18n.zig
@@ -45,6 +45,7 @@ pub const locales = [_][:0]const u8{
     "es_BO.UTF-8",
     "pt_BR.UTF-8",
     "ca_ES.UTF-8",
+    "zh_TW.UTF-8",
 };
 
 /// Set for faster membership lookup of locales.