diff --git a/po-tags/LINGUAS b/po-tags/LINGUAS
index a82af71dbe..cb302276cd 100644
--- a/po-tags/LINGUAS
+++ b/po-tags/LINGUAS
@@ -26,6 +26,7 @@ hu
 id
 is
 it
+ja
 ka
 kab
 km
diff --git a/po-tags/ja.po b/po-tags/ja.po
new file mode 100644
index 0000000000..fdb0b75869
--- /dev/null
+++ b/po-tags/ja.po
@@ -0,0 +1,28 @@
+# Japanese translation for GIMP.
+# Copyright (C) 2025 GIMP's COPYRIGHT HOLDER
+# This file is distributed under the same license as the GIMP package.
+# YOSHIDA Shigeto <shigep640509@gmail.com>, 2025.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: gimp master\n"
+"Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/gimp/issues\n"
+"POT-Creation-Date: 2022-06-25 08:25+0000\n"
+"PO-Revision-Date: 2026-02-07 09:00+0900\n"
+"Last-Translator: YOSHIDA Shigeto <shigep640509@gmail.com>\n"
+"Language-Team: Japanese <https://l10n.gnome.org/teams/ja/>\n"
+"Language: ja\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+"X-Generator: Poedit 3.8\n"
+
+#: data/tags/gimp-tags-default.xml.in:11 data/tags/gimp-tags-default.xml.in:19
+msgid "round"
+msgstr "やわらかい"
+
+#. fuzzy as in a feathered, blurred, unfocused, soft brush
+#: data/tags/gimp-tags-default.xml.in:18
+msgid "fuzzy"
+msgstr "かたい"