diff --git a/index.js b/index.js
index 96a44dc..25ec128 100644
--- a/index.js
+++ b/index.js
@@ -3,7 +3,7 @@
 const fs = require("fs");
 const path = require("path");
 const remark = require("remark");
-const { Strings } = require("./lib/functions");
+const { Objects, Strings } = require("./lib/functions");
 const languages = require("./languages");
 const commandLineArgs = require("command-line-args");
 
@@ -81,7 +81,7 @@ function getLinkTextFromLinkNodes(children) {
   // visit nodes in depth
   const walk = (children, depth) => {
     // not AST, maybe plain text
-    if (!Array.isArray(children)) return Strings.toString(children);
+    if (!Array.isArray(children)) return Objects.toString(children);
     // AST children array nodes
     return children.reduce((text, node, index) => {
       if (!node || !node.type) return text; // not AST, maybe plain text
diff --git a/lib/functions/Objects.js b/lib/functions/Objects.js
new file mode 100644
index 0000000..9c1fa12
--- /dev/null
+++ b/lib/functions/Objects.js
@@ -0,0 +1,19 @@
+/**
+ * To string
+ * @param {any} o - the object to get it text representation
+ * @returns {string} the `o` as string
+ */
+function toString(o) {
+  // null or undefined
+  if (o === null || o === void 0) return o;
+  // is string
+  if (typeof o === "string") return o;
+  // has a toString function in their prototype
+  if (typeof o.toString === "function") return o.toString();
+  // as string in the latest intent
+  return String(o);
+}
+
+module.exports = {
+  toString,
+};
diff --git a/lib/functions/Strings.js b/lib/functions/Strings.js
index 71fddd0..a660b8b 100644
--- a/lib/functions/Strings.js
+++ b/lib/functions/Strings.js
@@ -26,21 +26,6 @@ function templater(template, context = {}) {
   );
 }
 
-/**
- * To string
- * @param {any} o - the object to get it text representation
- * @returns {string} the `o` as string
- */
-function toString(o) {
-  // null or undefined
-  if (o === null || o === void 0) return o;
-  if (typeof o === "string") return o;
-  // has a toString function in their prototype
-  if (typeof o.toString === "function") return o.toString();
-  // as string in the latest intent
-  return String(o);
-}
-
 /**
  * Wraps a string between other that acts as token.
  * @param {string} s - the text to wrap
@@ -56,6 +41,5 @@ function wrap(s, token = "") {
 module.exports = {
   stripParens,
   templater,
-  toString,
   wrap,
 };
diff --git a/lib/functions/index.js b/lib/functions/index.js
index 293aedc..8664237 100644
--- a/lib/functions/index.js
+++ b/lib/functions/index.js
@@ -1,5 +1,7 @@
+const Objects = require("./Objects");
 const Strings = require("./Strings");
 
 module.exports = {
+  Objects,
   Strings,
 };