diff --git a/README.md b/README.md
index b082d82..b186d1d 100644
--- a/README.md
+++ b/README.md
@@ -96,31 +96,12 @@ All methods are asynchronous and return promises (except for convert utils)
   - verify(data: string, secretToVerify: string, hash: string)
 - utils
   - randomBytes(bytes: number)
-  - convert
-    - ArrayBuffer
-      - to
-        - Utf8(input: ArrayBuffer)
-        - Hex(input: ArrayBuffer)
-        - Base64(input: ArrayBuffer)
-      - from
-        - Utf8(input: string)
-        - Hex(input: string)
-        - Base64(input: string)
-    - Utf8
-      - to
-        - ArrayBuffer(input: string)
-      - from
-        - ArrayBuffer(input: ArrayBuffer)
-    - Hex
-      - to
-        - ArrayBuffer(input: string)
-      - from
-        - ArrayBuffer(input: ArrayBuffer)
-    - Base64
-      - to
-        - ArrayBuffer(input: string)
-      - from
-        - ArrayBuffer(input: ArrayBuffer)
+  - convertArrayBufferToUtf8(input: ArrayBuffer)
+  - convertUtf8ToArrayBuffer(input: string)
+  - convertArrayBufferToBase64(input: ArrayBuffer)
+  - convertBase64ToArrayBuffer(input: string)
+  - convertArrayBufferToHex(input: ArrayBuffer)
+  - convertHexToArrayBuffer(input: string)
 ```
 
 > _NOTE:_ Supported hashing algorithms for RSA and PBKDF2 are:
@@ -135,7 +116,7 @@ import RNSimpleCrypto from "react-native-simple-crypto";
 // -- AES ------------------------------------------------------------- //
 
 const message = "data to encrypt";
-const messageArrayBuffer = RNSimpleCrypto.utils.convert.Utf8.to.ArrayBuffer(
+const messageArrayBuffer = RNSimpleCrypto.utils.convertUtf8ToArrayBuffer(
   message
 );
 
@@ -157,7 +138,7 @@ const messageArrayBuffer = await RNSimpleCrypto.AES.decrypt(
   keyArrayBuffer,
   ivArrayBuffer
 );
-const message = RNSimpleCrypto.utils.convert.ArrayBuffer.to.Utf8(
+const message = RNSimpleCrypto.utils.convertArrayBufferToUtf8(
   messageArrayBuffer
 );
 console.log("AES decrypt", message);
@@ -166,7 +147,7 @@ console.log("AES decrypt", message);
 
 const signatureArrayBuffer = await RNSimpleCrypto.HMAC.hmac256(message, key);
 
-const signatureHex = RNSimpleCrypto.utils.convert.ArrayBuffer.to.Hex(
+const signatureHex = RNSimpleCrypto.utils.convertArrayBuffertoHex(
   signatureArrayBuffer
 );
 console.log("HMAC signature", signatureHex);
diff --git a/index.d.ts b/index.d.ts
index 2e785ea..502b4f2 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -62,43 +62,11 @@ declare module "react-native-simple-crypto" {
 
   export namespace utils {
     export function randomBytes(bytes: number): Promise<ArrayBuffer>;
-    export interface convert {
-      ArrayBuffer: {
-        to: {
-          Utf8: (arrayBuffer: ArrayBuffer) => string;
-          Hex: (arrayBuffer: ArrayBuffer) => string;
-          Base64: (arrayBuffer: ArrayBuffer) => string;
-        };
-        from: {
-          Utf8: (string: string) => ArrayBuffer;
-          Hex: (string: string) => ArrayBuffer;
-          Base64: (string: string) => ArrayBuffer;
-        };
-      };
-      Utf8: {
-        to: {
-          ArrayBuffer: (string: string) => ArrayBuffer;
-        };
-        from: {
-          ArrayBuffer: (arrayBuffer: ArrayBuffer) => string;
-        };
-      };
-      Hex: {
-        to: {
-          ArrayBuffer: (string: string) => ArrayBuffer;
-        };
-        from: {
-          ArrayBuffer: (arrayBuffer: ArrayBuffer) => string;
-        };
-      };
-      Base64: {
-        to: {
-          ArrayBuffer: (string: string) => ArrayBuffer;
-        };
-        from: {
-          ArrayBuffer: (arrayBuffer: ArrayBuffer) => string;
-        };
-      };
-    }
+    export function convertArrayBufferToUtf8(input: ArrayBuffer): string;
+    export function convertUtf8ToArrayBuffer(input: string): ArrayBuffer;
+    export function convertArrayBufferToBase64(input: ArrayBuffer): string;
+    export function convertBase64ToArrayBuffer(input: string): ArrayBuffer;
+    export function convertArrayBufferToHex(input: ArrayBuffer): string;
+    export function convertHexToArrayBuffer(input: string): ArrayBuffer;
   }
 }
diff --git a/index.js b/index.js
index c829308..06c5ce5 100644
--- a/index.js
+++ b/index.js
@@ -159,44 +159,12 @@ const RSA = NativeModules.Rsa;
 
 const utils = {
   randomBytes: randomBytes,
-  convert: {
-    ArrayBuffer: {
-      to: {
-        Utf8: convertArrayBufferToUtf8,
-        Hex: convertArrayBufferToHex,
-        Base64: convertArrayBufferToBase64
-      },
-      from: {
-        Utf8: convertUtf8ToArrayBuffer,
-        Hex: convertHexToArrayBuffer,
-        Base64: convertBase64ToArrayBuffer
-      }
-    },
-    Utf8: {
-      to: {
-        ArrayBuffer: convertUtf8ToArrayBuffer
-      },
-      from: {
-        ArrayBuffer: convertArrayBufferToUtf8
-      }
-    },
-    Hex: {
-      to: {
-        ArrayBuffer: convertHexToArrayBuffer
-      },
-      from: {
-        ArrayBuffer: convertArrayBufferToHex
-      }
-    },
-    Base64: {
-      to: {
-        ArrayBuffer: convertBase64ToArrayBuffer
-      },
-      from: {
-        ArrayBuffer: convertArrayBufferToBase64
-      }
-    }
-  }
+  convertArrayBufferToUtf8: convertArrayBufferToUtf8,
+  convertUtf8ToArrayBuffer: convertUtf8ToArrayBuffer,
+  convertArrayBufferToBase64: convertArrayBufferToBase64,
+  convertBase64ToArrayBuffer: convertBase64ToArrayBuffer,
+  convertArrayBufferToHex: convertArrayBufferToHex,
+  convertHexToArrayBuffer: convertHexToArrayBuffer
 };
 
 export default {