diff --git a/include/cglm-io.h b/include/cglm-io.h
new file mode 100644
index 0000000..12c1a13
--- /dev/null
+++ b/include/cglm-io.h
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#ifndef cglm_io_h
+#define cglm_io_h
+
+#include "cglm-common.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+CGLM_INLINE
+void
+glm_mat4_print(mat4   matrix,
+               FILE * __restrict ostream) {
+  int i;
+  int j;
+
+#define m 4
+#define n 4
+
+  fprintf(ostream, "Matrix (float%dx%d):\n", m, n);
+
+  for (i = 0; i < m; i++) {
+    fprintf(ostream, "\t|");
+    for (j = 0; j < n; j++) {
+      fprintf(ostream, "%0.4f", matrix[j][i]);;
+
+      if (j != n - 1)
+        fprintf(ostream, "\t");
+    }
+
+    fprintf(ostream, "|\n");
+  }
+
+  fprintf(ostream, "\n");
+
+#undef m
+#undef n
+}
+
+CGLM_INLINE
+void
+glm_mat3_print(mat3 matrix,
+               FILE * __restrict ostream) {
+  int i;
+  int j;
+
+#define m 3
+#define n 3
+
+  fprintf(ostream, "Matrix (float%dx%d):\n", m, n);
+
+  for (i = 0; i < m; i++) {
+    fprintf(ostream, "\t|");
+    for (j = 0; j < n; j++) {
+      fprintf(ostream, "%0.4f", matrix[j][i]);;
+
+      if (j != n - 1)
+        fprintf(ostream, "\t");
+    }
+
+    fprintf(ostream, "|\n");
+  }
+
+  fprintf(ostream, "\n");
+
+#undef m
+#undef n
+}
+
+CGLM_INLINE
+void
+glm_vec4_print(vec4 vec,
+               FILE * __restrict ostream) {
+  int i;
+
+#define m 4
+
+  fprintf(ostream, "Vector (float%d):\n\t|", m);
+
+  for (i = 0; i < m; i++) {
+    fprintf(ostream, "%0.4f", vec[i]);
+
+    if (i != m - 1)
+      fprintf(ostream, "\t");
+  }
+
+  fprintf(ostream, "|\n\n");
+
+#undef m
+}
+
+CGLM_INLINE
+void
+glm_vec3_print(vec3 vec,
+               FILE * __restrict ostream) {
+  int i;
+
+#define m 3
+
+  fprintf(ostream, "Vector (float%d):\n\t|", m);
+
+  for (i = 0; i < m; i++) {
+    fprintf(ostream, "%0.4f", vec[i]);
+
+    if (i != m - 1)
+      fprintf(ostream, "\t");
+  }
+
+  fprintf(ostream, "|\n\n");
+
+#undef m
+}
+
+CGLM_INLINE
+void
+glm_versor_print(versor vec,
+                 FILE * __restrict ostream) {
+  int i;
+
+#define m 4
+
+  fprintf(ostream, "Versor (float%d):\n\t|", m);
+
+  for (i = 0; i < m; i++) {
+    fprintf(ostream, "%0.4f", vec[i]);
+
+    if (i != m - 1)
+      fprintf(ostream, "\t");
+  }
+
+  fprintf(ostream, "|\n\n");
+
+#undef m
+}
+
+#endif /* cglm_io_h */
diff --git a/include/cglm-util.h b/include/cglm-util.h
index fdd8c7d..0aa0fa8 100644
--- a/include/cglm-util.h
+++ b/include/cglm-util.h
@@ -10,133 +10,16 @@
 
 #include "cglm-common.h"
 
-#include <stdio.h>
-#include <stdlib.h>
-
 CGLM_INLINE
-void
-glm_mat4_print(mat4   matrix,
-               FILE * __restrict ostream) {
-  int i;
-  int j;
-
-#define m 4
-#define n 4
-
-  fprintf(ostream, "Matrix (float%dx%d):\n", m, n);
-
-  for (i = 0; i < m; i++) {
-    fprintf(ostream, "\t|");
-    for (j = 0; j < n; j++) {
-      fprintf(ostream, "%0.4f", matrix[j][i]);;
-
-      if (j != n - 1)
-        fprintf(ostream, "\t");
-    }
-
-    fprintf(ostream, "|\n");
-  }
-
-  fprintf(ostream, "\n");
-
-#undef m
-#undef n
+float
+glm_rad(float deg) {
+  return deg * M_PI / 180.0f;
 }
 
 CGLM_INLINE
-void
-glm_mat3_print(mat3 matrix,
-               FILE * __restrict ostream) {
-  int i;
-  int j;
-
-#define m 3
-#define n 3
-
-  fprintf(ostream, "Matrix (float%dx%d):\n", m, n);
-
-  for (i = 0; i < m; i++) {
-    fprintf(ostream, "\t|");
-    for (j = 0; j < n; j++) {
-      fprintf(ostream, "%0.4f", matrix[j][i]);;
-
-      if (j != n - 1)
-        fprintf(ostream, "\t");
-    }
-
-    fprintf(ostream, "|\n");
-  }
-
-  fprintf(ostream, "\n");
-
-#undef m
-#undef n
-}
-
-CGLM_INLINE
-void
-glm_vec4_print(vec4 vec,
-               FILE * __restrict ostream) {
-  int i;
-
-#define m 4
-
-  fprintf(ostream, "Vector (float%d):\n\t|", m);
-
-  for (i = 0; i < m; i++) {
-    fprintf(ostream, "%0.4f", vec[i]);
-
-    if (i != m - 1)
-      fprintf(ostream, "\t");
-  }
-
-  fprintf(ostream, "|\n\n");
-
-#undef m
-}
-
-CGLM_INLINE
-void
-glm_vec3_print(vec3 vec,
-               FILE * __restrict ostream) {
-  int i;
-
-#define m 3
-
-  fprintf(ostream, "Vector (float%d):\n\t|", m);
-
-  for (i = 0; i < m; i++) {
-    fprintf(ostream, "%0.4f", vec[i]);
-
-    if (i != m - 1)
-      fprintf(ostream, "\t");
-  }
-
-  fprintf(ostream, "|\n\n");
-
-#undef m
-}
-
-CGLM_INLINE
-void
-glm_versor_print(versor vec,
-                 FILE * __restrict ostream) {
-  int i;
-
-#define m 4
-
-  fprintf(ostream, "Versor (float%d):\n\t|", m);
-
-  for (i = 0; i < m; i++) {
-    fprintf(ostream, "%0.4f", vec[i]);
-
-    if (i != m - 1)
-      fprintf(ostream, "\t");
-  }
-
-  fprintf(ostream, "|\n\n");
-
-#undef m
+float
+glm_deg(float rad) {
+  return rad * 180.0f / M_PI;
 }
 
 #endif /* cglm_util_h */
diff --git a/include/cglm.h b/include/cglm.h
index 9144165..8a0b867 100644
--- a/include/cglm.h
+++ b/include/cglm.h
@@ -12,10 +12,11 @@
 #include "cglm-vec.h"
 #include "cglm-mat.h"
 #include "cglm-mat3.h"
-#include "cglm-util.h"
 #include "cglm-affine.h"
 #include "cglm-cam.h"
 #include "cglm-quat.h"
 #include "cglm-euler.h"
+#include "cglm-util.h"
+#include "cglm-io.h"
 
 #endif /* cglm_h */