diff --git a/src/core/Utils.js b/src/core/Utils.js
index a6ab48db8..f9e5a3b80 100755
--- a/src/core/Utils.js
+++ b/src/core/Utils.js
@@ -438,7 +438,7 @@ const Utils = {
     /**
      * Converts a charcode array to a string.
      *
-     * @param {byteArray} byteArray
+     * @param {byteArray|Uint8Array} byteArray
      * @returns {string}
      *
      * @example
@@ -477,7 +477,7 @@ const Utils = {
     /**
      * Base64's the input byte array using the given alphabet, returning a string.
      *
-     * @param {byteArray|string} data
+     * @param {byteArray|Uint8Array|string} data
      * @param {string} [alphabet]
      * @returns {string}
      *
diff --git a/src/core/config/OperationConfig.js b/src/core/config/OperationConfig.js
index 15f00df83..dbac0bfed 100755
--- a/src/core/config/OperationConfig.js
+++ b/src/core/config/OperationConfig.js
@@ -245,7 +245,7 @@ const OperationConfig = {
         description: "Base64 is a notation for encoding arbitrary byte data using a restricted set of symbols that can be conveniently used by humans and processed by computers.<br><br>This operation encodes data in an ASCII Base64 string.<br><br>e.g. <code>hello</code> becomes <code>aGVsbG8=</code>",
         highlight: "func",
         highlightReverse: "func",
-        inputType: "byteArray",
+        inputType: "ArrayBuffer",
         outputType: "string",
         args: [
             {
@@ -782,7 +782,7 @@ const OperationConfig = {
         description: "Creates a hexdump of the input data, displaying both the hexadecimal values of each byte and an ASCII representation alongside.",
         highlight: "func",
         highlightReverse: "func",
-        inputType: "byteArray",
+        inputType: "ArrayBuffer",
         outputType: "string",
         args: [
             {
diff --git a/src/core/operations/Base64.js b/src/core/operations/Base64.js
index c6d9ce6c7..31c7e2a16 100755
--- a/src/core/operations/Base64.js
+++ b/src/core/operations/Base64.js
@@ -40,13 +40,13 @@ const Base64 = {
     /**
      * To Base64 operation.
      *
-     * @param {byteArray} input
+     * @param {ArrayBuffer} input
      * @param {Object[]} args
      * @returns {string}
      */
     runTo: function(input, args) {
         const alphabet = args[0] || Base64.ALPHABET;
-        return Utils.toBase64(input, alphabet);
+        return Utils.toBase64(new Uint8Array(input), alphabet);
     },
 
 
diff --git a/src/core/operations/Hexdump.js b/src/core/operations/Hexdump.js
index 6b322b1f3..fc907d9e4 100755
--- a/src/core/operations/Hexdump.js
+++ b/src/core/operations/Hexdump.js
@@ -31,18 +31,19 @@ const Hexdump = {
     /**
      * To Hexdump operation.
      *
-     * @param {byteArray} input
+     * @param {ArrayBuffer} input
      * @param {Object[]} args
      * @returns {string}
      */
     runTo: function(input, args) {
+        const data = new Uint8Array(input);
         const length = args[0] || Hexdump.WIDTH;
         const upperCase = args[1];
         const includeFinalLength = args[2];
 
         let output = "", padding = 2;
-        for (let i = 0; i < input.length; i += length) {
-            const buff = input.slice(i, i+length);
+        for (let i = 0; i < data.length; i += length) {
+            const buff = data.slice(i, i+length);
             let hexa = "";
             for (let j = 0; j < buff.length; j++) {
                 hexa += Utils.hex(buff[j], padding) + " ";
@@ -59,7 +60,7 @@ const Hexdump = {
                 hexa.padEnd(length*(padding+1), " ") +
                 " |" + Utils.printable(Utils.byteArrayToChars(buff)).padEnd(buff.length, " ") + "|\n";
 
-            if (includeFinalLength && i+buff.length === input.length) {
+            if (includeFinalLength && i+buff.length === data.length) {
                 output += Utils.hex(i+buff.length, 8) + "\n";
             }
         }