diff --git a/errors.go b/errors.go
new file mode 100644
index 0000000..c6c9061
--- /dev/null
+++ b/errors.go
@@ -0,0 +1,11 @@
+package utf8s
+
+import (
+	"errors"
+)
+
+var (
+	errInternalError = errors.New("Internal Error")
+	errInvalidUTF8   = internalInvalidUTF8Complainer{}
+	errNilReader     = internalNilReaderComplainer{}
+)