diff --git a/codec/json.go b/codec/json.go
new file mode 100644
index 0000000..4dd445b
--- /dev/null
+++ b/codec/json.go
@@ -0,0 +1,31 @@
+package codec
+
+import (
+	"encoding/json"
+
+	"github.com/go-board/std/result"
+)
+
+func MarshalJSON[T any](t T) result.Result[[]byte] {
+	return result.Of(json.Marshal(t))
+}
+
+func UnmarshalJSON[T any](data []byte) result.Result[T] {
+	var t T
+	err := json.Unmarshal(data, &t)
+	return result.Of(t, err)
+}
+
+func UnmarshalJSONPtr[T any](data []byte) result.Result[*T] {
+	var t *T
+	err := json.Unmarshal(data, &t)
+	return result.Of(t, err)
+}
+
+func Jsonify[T any](data T) string {
+	b, err := json.Marshal(data)
+	if err != nil {
+		return ""
+	}
+	return string(b)
+}