diff --git a/src/main/java/de/marhali/easyi18n/io/parser/json5/Json5ArrayMapper.java b/src/main/java/de/marhali/easyi18n/io/parser/json5/Json5ArrayMapper.java
new file mode 100644
index 0000000..e31eefc
--- /dev/null
+++ b/src/main/java/de/marhali/easyi18n/io/parser/json5/Json5ArrayMapper.java
@@ -0,0 +1,53 @@
+package de.marhali.easyi18n.io.parser.json5;
+
+import de.marhali.easyi18n.io.parser.ArrayMapper;
+import de.marhali.easyi18n.util.StringUtil;
+import de.marhali.json5.Json5;
+import de.marhali.json5.Json5Array;
+import de.marhali.json5.Json5Primitive;
+
+import org.apache.commons.lang.math.NumberUtils;
+
+import java.io.IOException;
+
+/**
+ * Map json5 array values.
+ * @author marhali
+ */
+public class Json5ArrayMapper extends ArrayMapper {
+
+    private static final Json5 JSON5 = Json5.builder(builder ->
+            builder.allowInvalidSurrogate().quoteSingle().indentFactor(0).build());
+
+    public static String read(Json5Array array) {
+        return read(array.iterator(), (jsonElement -> {
+            try {
+                return jsonElement.isJsonArray() || jsonElement.isJsonObject()
+                        ? "\\" + JSON5.serialize(jsonElement)
+                        : jsonElement.getAsString();
+            } catch (IOException e) {
+                throw new AssertionError(e.getMessage(), e.getCause());
+            }
+        }));
+    }
+
+    public static Json5Array write(String concat) {
+        Json5Array array = new Json5Array();
+
+        write(concat, (element) -> {
+            if(element.startsWith("\\")) {
+                array.add(JSON5.parse(element.replace("\\", "")));
+            } else {
+                if(StringUtil.isHexString(element)) {
+                    array.add(Json5Primitive.of(element, true));
+                } else if(NumberUtils.isNumber(element)) {
+                    array.add(Json5Primitive.of(NumberUtils.createNumber(element)));
+                } else {
+                    array.add(Json5Primitive.of(element));
+                }
+            }
+        });
+
+        return array;
+    }
+}
diff --git a/src/main/java/de/marhali/easyi18n/io/parser/json5/Json5Mapper.java b/src/main/java/de/marhali/easyi18n/io/parser/json5/Json5Mapper.java
new file mode 100644
index 0000000..30bdcad
--- /dev/null
+++ b/src/main/java/de/marhali/easyi18n/io/parser/json5/Json5Mapper.java
@@ -0,0 +1,74 @@
+package de.marhali.easyi18n.io.parser.json5;
+
+import de.marhali.easyi18n.model.Translation;
+import de.marhali.easyi18n.model.TranslationNode;
+import de.marhali.easyi18n.util.StringUtil;
+
+import de.marhali.json5.Json5Element;
+import de.marhali.json5.Json5Object;
+import de.marhali.json5.Json5Primitive;
+import org.apache.commons.lang.StringEscapeUtils;
+import org.apache.commons.lang.math.NumberUtils;
+
+import java.util.Map;
+import java.util.regex.Pattern;
+
+/**
+ * Mapper for mapping json5 objects into translation nodes and backwards.
+ * @author marhali
+ */
+public class Json5Mapper {
+    public static void read(String locale, Json5Object json, TranslationNode node) {
+        for(Map.Entry<String, Json5Element> entry : json.entrySet()) {
+            String key = entry.getKey();
+            Json5Element value = entry.getValue();
+
+            TranslationNode childNode = node.getOrCreateChildren(key);
+
+            if(value.isJsonObject()) {
+                // Nested element - run recursively
+                read(locale, value.getAsJsonObject(), childNode);
+            } else {
+                Translation translation = childNode.getValue();
+
+                String content = value.isJsonArray()
+                        ? Json5ArrayMapper.read(value.getAsJsonArray())
+                        : StringUtil.escapeControls(value.getAsString(), true);
+
+                translation.put(locale, content);
+                childNode.setValue(translation);
+            }
+        }
+    }
+
+    public static void write(String locale, Json5Object json, TranslationNode node) {
+        for(Map.Entry<String, TranslationNode> entry : node.getChildren().entrySet()) {
+            String key = entry.getKey();
+            TranslationNode childNode = entry.getValue();
+
+            if(!childNode.isLeaf()) {
+                // Nested node - run recursively
+                Json5Object childJson = new Json5Object();
+                write(locale, childJson, childNode);
+                if(childJson.size() > 0) {
+                    json.add(key, childJson);
+                }
+
+            } else {
+                Translation translation = childNode.getValue();
+                String content = translation.get(locale);
+                if(content != null) {
+                    if(Json5ArrayMapper.isArray(content)) {
+                        json.add(key, Json5ArrayMapper.write(content));
+                    } else if(StringUtil.isHexString(content)) {
+                        json.add(key, Json5Primitive.of(content, true));
+                    } else if(NumberUtils.isNumber(content)) {
+                        json.add(key, Json5Primitive.of(NumberUtils.createNumber(content)));
+                    } else {
+                        json.add(key, Json5Primitive.of(StringEscapeUtils.unescapeJava(content)));
+                    }
+                }
+            }
+        }
+    }
+}