diff --git a/utils.go b/utils.go
new file mode 100644
index 0000000..38ef3fd
--- /dev/null
+++ b/utils.go
@@ -0,0 +1,46 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/joho/godotenv"
+	"gopkg.in/yaml.v3"
+)
+
+func LoadEnv() {
+	if err := godotenv.Load(); err != nil {
+		fmt.Println("Warnung: .env Datei konnte nicht geladen werden.")
+	}
+}
+
+func LoadYAML() ([]Rewrite, error) {
+	file := os.Getenv("YAML_FILE")
+	f, err := os.Open(file)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	var data struct {
+		Rewrites []Rewrite `yaml:"rewrites"`
+	}
+	err = yaml.NewDecoder(f).Decode(&data)
+	return data.Rewrites, err
+}
+
+func SaveYAML(rewrites []Rewrite) error {
+	file := os.Getenv("YAML_FILE")
+	f, err := os.Create(file)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+
+	data := map[string][]Rewrite{
+		"rewrites": rewrites,
+	}
+	enc := yaml.NewEncoder(f)
+	enc.SetIndent(2)
+	return enc.Encode(data)
+}