diff --git a/configforge/formatters/json_handler.py b/configforge/formatters/json_handler.py
new file mode 100644
index 0000000..c271c91
--- /dev/null
+++ b/configforge/formatters/json_handler.py
@@ -0,0 +1,52 @@
+"""JSON format handler for ConfigForge."""
+
+import json
+from typing import Any, Dict
+
+from configforge.exceptions import ConversionError
+
+
+class JSONHandler:
+    """Handler for JSON configuration files."""
+
+    @staticmethod
+    def loads(content: str) -> Dict[str, Any]:
+        """Parse JSON content."""
+        try:
+            return json.loads(content)
+        except json.JSONDecodeError as e:
+            raise ConversionError(f"Invalid JSON: {str(e)}") from e
+
+    @staticmethod
+    def dumps(data: Any, indent: int = 2) -> str:
+        """Serialize data to JSON string."""
+        try:
+            return json.dumps(data, indent=indent, ensure_ascii=False)
+        except (TypeError, ValueError) as e:
+            raise ConversionError(f"Failed to serialize JSON: {str(e)}") from e
+
+    @staticmethod
+    def read(filepath: str) -> Dict[str, Any]:
+        """Read and parse JSON file."""
+        try:
+            with open(filepath, "r", encoding="utf-8") as f:
+                return json.load(f)
+        except FileNotFoundError:
+            raise ConversionError(f"File not found: {filepath}")
+        except PermissionError:
+            raise ConversionError(f"Permission denied: {filepath}")
+        except json.JSONDecodeError as e:
+            raise ConversionError(f"Invalid JSON in {filepath}: {str(e)}") from e
+
+    @staticmethod
+    def write(filepath: str, data: Any, indent: int = 2) -> None:
+        """Write data to JSON file."""
+        try:
+            with open(filepath, "w", encoding="utf-8") as f:
+                json.dump(data, f, indent=indent, ensure_ascii=False)
+        except FileNotFoundError:
+            raise ConversionError(f"Directory not found for: {filepath}")
+        except PermissionError:
+            raise ConversionError(f"Permission denied to write: {filepath}")
+        except (TypeError, ValueError) as e:
+            raise ConversionError(f"Failed to write JSON: {str(e)}") from e