diff --git a/parsers/base64/70-base64.html b/parsers/base64/70-base64.html
index 780df599..a26952e3 100644
--- a/parsers/base64/70-base64.html
+++ b/parsers/base64/70-base64.html
@@ -1,11 +1,11 @@
 
 <script type="text/x-red" data-template-name="base64">
     <div class="form-row">
-        <label for="node-input-action"><i class="fa fa-dot-circle-o"></i> Action</label>
+        <label for="node-input-action"><i class="fa fa-dot-circle-o"></i> <span data-i18n="base64.label.action"></span></label>
         <select style="width:70%" id="node-input-action">
-            <option value="">Convert Buffer <-> Base64</option>
-            <option value="str">Encode as Base64</option>
-            <option value="b64">Convert Base64 to String</option>
+            <option value="" data-i18n="base64.convert.buffer"></option>
+            <option value="str" data-i18n="base64.convert.encode"></option>
+            <option value="b64" data-i18n="base64.convert.decode"></option>
         </select>
     </div>
     <div class="form-row">
@@ -18,14 +18,6 @@
     </div>
 </script>
 
-<script type="text/x-red" data-help-name="base64">
-    <p>A function that converts the chosen property (default <code>msg.payload</code>) to and from base64 format.</p>
-    <p>If the input is a buffer it converts it to a Base64 encoded string.</p>
-    <p>If the input is a Base64 string it converts it back to a binary buffer.</p>
-    <p>You can also fix coding into base64, and base64 to buffer if required.</p>
-    <p>Note: Using "Encode to Base64" will encode an already encoded string.</p>
-</script>
-
 <script type="text/javascript">
     RED.nodes.registerType('base64',{
         category: 'function',
diff --git a/parsers/base64/70-base64.js b/parsers/base64/70-base64.js
index 820a445c..c1784d82 100644
--- a/parsers/base64/70-base64.js
+++ b/parsers/base64/70-base64.js
@@ -24,9 +24,9 @@ module.exports = function(RED) {
                             RED.util.setMessageProperty(msg,node.property,value);
                             node.send(msg);
                         }
-                        else { node.error("Invalid Base64 string",msg); }
+                        else { node.error(RED._("base64.error.invalid"),msg); }
                     }
-                    else { node.error("Not a Base64 string",msg); }
+                    else { node.error(RED._("base64.error.nonbase64"),msg); }
                 }
                 else {
                     if (Buffer.isBuffer(value)) {
@@ -46,18 +46,18 @@ module.exports = function(RED) {
                             node.send(msg);
                         }
                         else {
-                            node.log("Not a Base64 string - maybe we should encode it...");
+                            node.log(RED._("base64.log.nonbase64encode"));
                             value = Buffer.from(value).toString('base64');
                             RED.util.setMessageProperty(msg,node.property,value);
                             node.send(msg);
                         }
                     }
                     else {
-                        node.warn("This node only handles strings or buffers.");
+                        node.warn(RED._("base64.warn.cannothandle"));
                     }
                 }
             }
-            else { node.warn("No property found to process"); }
+            else { node.warn(RED._("base64.warn.noproperty")); }
         });
     }
     RED.nodes.registerType("base64",Base64Node);
diff --git a/parsers/base64/locales/en-US/70-base64.html b/parsers/base64/locales/en-US/70-base64.html
new file mode 100644
index 00000000..ee26d651
--- /dev/null
+++ b/parsers/base64/locales/en-US/70-base64.html
@@ -0,0 +1,7 @@
+<script type="text/x-red" data-help-name="base64">
+    <p>A function that converts the chosen property (default <code>msg.payload</code>) to and from base64 format.</p>
+    <p>If the input is a buffer it converts it to a Base64 encoded string.</p>
+    <p>If the input is a Base64 string it converts it back to a binary buffer.</p>
+    <p>You can also fix coding into base64, and base64 to buffer if required.</p>
+    <p>Note: Using "Encode to Base64" will encode an already encoded string.</p>
+</script>
diff --git a/parsers/base64/locales/en-US/70-base64.json b/parsers/base64/locales/en-US/70-base64.json
new file mode 100644
index 00000000..42c0e300
--- /dev/null
+++ b/parsers/base64/locales/en-US/70-base64.json
@@ -0,0 +1,24 @@
+{
+  "base64": {
+    "base64": "base64",
+    "label": {
+      "action": "Action"
+    },
+    "convert": {
+      "buffer": "Convert Buffer <-> Base64",
+      "encode": "Encode as Base64",
+      "decode": "Convert Base64 to String"
+    },
+    "log": {
+      "nonbase64encode": "Not a Base64 string - maybe we should encode it..."
+    },
+    "warn": {
+      "cannothandle": "This node only handles strings or buffers.",
+      "noproperty": "No property found to process"
+    },
+    "error": {
+      "invalid": "Invalid Base64 string",
+      "nonbase64": "Not a Base64 string"
+    }
+  }
+}
diff --git a/parsers/base64/locales/ja/70-base64.html b/parsers/base64/locales/ja/70-base64.html
new file mode 100644
index 00000000..636ff3d0
--- /dev/null
+++ b/parsers/base64/locales/ja/70-base64.html
@@ -0,0 +1,7 @@
+<script type="text/x-red" data-help-name="base64">
+    <p>選択したプロパティ(デフォルトは<code>msg.payload</code>)のBase64変換を行います。</p>
+    <p>入力がバッファであれば、Base64エンコードされた文字列に変換します。</p>
+    <p>入力がBase64文字列であれば、バイナリバッファ形式に変換します。</p>
+    <p>必要に応じて、入力をBase64であると固定して、Base64からバッファへの変換を行うこともできます。</p>
+    <p>補足: "Base64へエンコード"は、既にエンコードされた文字列もエンコードしてしまう可能性があります。</p>
+</script>
diff --git a/parsers/base64/locales/ja/70-base64.json b/parsers/base64/locales/ja/70-base64.json
new file mode 100644
index 00000000..6c27c340
--- /dev/null
+++ b/parsers/base64/locales/ja/70-base64.json
@@ -0,0 +1,24 @@
+{
+  "base64": {
+    "base64": "base64",
+    "label": {
+      "action": "動作"
+    },
+    "convert": {
+      "buffer": "バッファ <-> Base64の変換",
+      "encode": "Base64へエンコード",
+      "decode": "Base64から文字列へ変換"
+    },
+    "log": {
+      "nonbase64encode": "Base64文字列ではありませんが、変換します。"
+    },
+    "warn": {
+      "cannothandle": "このノードは文字列かバッファしか変換できません。",
+      "noproperty": "処理するためのプロパティが見つかりません。"
+    },
+    "error": {
+      "invalid": "不正なBase64文字列です。",
+      "nonbase64": "Base64文字列ではありません。"
+    }
+  }
+}
diff --git a/test/parsers/base64/70-base64_spec.js b/test/parsers/base64/70-base64_spec.js
index 26c24c9a..12322b68 100644
--- a/test/parsers/base64/70-base64_spec.js
+++ b/test/parsers/base64/70-base64_spec.js
@@ -250,7 +250,7 @@ describe('base64 node', function() {
                         return evt[0].type == "base64";
                     });
                     logEvents[0][0].should.have.a.property('msg');
-                    logEvents[0][0].msg.toString().should.startWith("Invalid Base64 string");
+                    logEvents[0][0].msg.toString().should.startWith("base64.error.invalid");
                     done();
                 } catch (e) {
                     done(e);
@@ -275,7 +275,7 @@ describe('base64 node', function() {
                         return evt[0].type == "base64";
                     });
                     logEvents[0][0].should.have.a.property('msg');
-                    logEvents[0][0].msg.toString().should.startWith("Not a Base64 string");
+                    logEvents[0][0].msg.toString().should.startWith("base64.error.nonbase64");
                     done();
                 } catch (e) {
                     done(e);