diff --git a/CHANGELOG.md b/CHANGELOG.md
index 186f2e2..7d3727e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,14 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [0.0.1-alpha.182](https://github.com/DIG-Network/dig-chia-sdk/compare/v0.0.1-alpha.181...v0.0.1-alpha.182) (2024-10-31)
+
+
+### Features
+
+* add base64 getters to udi class ([637c613](https://github.com/DIG-Network/dig-chia-sdk/commit/637c613bc5695967829349978915ffc9a7d60b1a))
+* add base64 getters to udi class ([2b111d2](https://github.com/DIG-Network/dig-chia-sdk/commit/2b111d2263ee58b1376db65db8edcf5ad947991e))
+
 ### [0.0.1-alpha.181](https://github.com/DIG-Network/dig-chia-sdk/compare/v0.0.1-alpha.180...v0.0.1-alpha.181) (2024-10-31)
 
 
diff --git a/package-lock.json b/package-lock.json
index 3388818..26cde2a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@dignetwork/dig-sdk",
-  "version": "0.0.1-alpha.181",
+  "version": "0.0.1-alpha.182",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@dignetwork/dig-sdk",
-      "version": "0.0.1-alpha.181",
+      "version": "0.0.1-alpha.182",
       "license": "ISC",
       "dependencies": {
         "@dignetwork/datalayer-driver": "^0.1.29",
diff --git a/package.json b/package.json
index 3891a96..28cb44c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@dignetwork/dig-sdk",
-  "version": "0.0.1-alpha.181",
+  "version": "0.0.1-alpha.182",
   "description": "",
   "type": "commonjs",
   "main": "./dist/index.js",
diff --git a/src/utils/Udi.ts b/src/utils/Udi.ts
index f6d4aae..00abae6 100644
--- a/src/utils/Udi.ts
+++ b/src/utils/Udi.ts
@@ -36,12 +36,15 @@ class Udi {
 
     if (Udi.isBase32(input)) {
       const paddedInput = Udi.addBase32Padding(input.toUpperCase());
-      return Buffer.from(base32Decode(paddedInput, false)); // Decode as UTF-8
+      return Buffer.from(base32Decode(paddedInput, false));
     }
 
-    throw new Error(
-      "Invalid input encoding. Must be 32-byte hex or Base32 string."
-    );
+    if (Udi.isBase64Safe(input)) {
+      const standardBase64 = Udi.addBase64Padding(Udi.toStandardBase64(input));
+      return Buffer.from(standardBase64, "base64");
+    }
+
+    throw new Error("Invalid input encoding. Must be 32-byte hex, Base32, or Base64 URL-safe string.");
   }
 
   static isHex(input: string): boolean {
@@ -52,12 +55,28 @@ class Udi {
     return /^[a-z2-7]{52}$/.test(input.toLowerCase());
   }
 
+  static isBase64Safe(input: string): boolean {
+    return /^[A-Za-z0-9\-_]+$/.test(input);
+  }
+
   static addBase32Padding(input: string): string {
-    // Calculate required padding
     const paddingNeeded = (8 - (input.length % 8)) % 8;
     return input + "=".repeat(paddingNeeded);
   }
 
+  static toStandardBase64(base64Safe: string): string {
+    return base64Safe.replace(/-/g, "+").replace(/_/g, "/");
+  }
+
+  static toBase64Safe(base64Standard: string): string {
+    return base64Standard.replace(/\+/g, "-").replace(/\//g, "_").replace(/=+$/, "");
+  }
+
+  static addBase64Padding(base64: string): string {
+    const paddingNeeded = (4 - (base64.length % 4)) % 4;
+    return base64 + "=".repeat(paddingNeeded);
+  }
+
   withRootHash(rootHash: string | Buffer | null): Udi {
     return new Udi(this.chainName, this._storeId, rootHash, this.resourceKey);
   }
@@ -69,7 +88,7 @@ class Udi {
   static fromUrn(urn: string): Udi {
     const parsedUrn = urns.parseURN(urn);
     if (parsedUrn.nid.toLowerCase() !== Udi.nid) {
-      throw new Error(`Invalid nid: ${parsedUrn.nid}`);
+      throw new Error(`Invalid UDI: ${parsedUrn.nid}`);
     }
 
     const parts = parsedUrn.nss.split(":");
@@ -94,7 +113,7 @@ class Udi {
     return new Udi(chainName, storeId, rootHash, resourceKey);
   }
 
-  toUrn(encoding: "hex" | "base32" = "hex"): string {
+  toUrn(encoding: "hex" | "base32" | "base64" = "hex"): string {
     const storeIdStr = this.bufferToString(this._storeId, encoding);
     let urn = `${Udi.namespace}:${this.chainName}:${storeIdStr}`;
 
@@ -110,10 +129,15 @@ class Udi {
     return urn;
   }
 
-  bufferToString(buffer: Buffer, encoding: "hex" | "base32"): string {
-    return encoding === "hex"
-      ? buffer.toString("hex")
-      : base32Encode(buffer).toLowerCase().replace(/=+$/, "");
+  bufferToString(buffer: Buffer, encoding: "hex" | "base32" | "base64"): string {
+    if (encoding === "hex") {
+      return buffer.toString("hex");
+    } else if (encoding === "base32") {
+      return base32Encode(buffer).toLowerCase().replace(/=+$/, "");
+    } else if (encoding === "base64") {
+      return Udi.toBase64Safe(buffer.toString("base64"));
+    }
+    throw new Error("Unsupported encoding type");
   }
 
   equals(other: Udi): boolean {
@@ -132,12 +156,7 @@ class Udi {
   }
 
   clone(): Udi {
-    return new Udi(
-      this.chainName,
-      this._storeId,
-      this._rootHash,
-      this.resourceKey
-    );
+    return new Udi(this.chainName, this._storeId, this._rootHash, this.resourceKey);
   }
 
   hashCode(): string {
@@ -159,9 +178,15 @@ class Udi {
   }
 
   get rootHashBase32(): string | null {
-    return this._rootHash
-      ? this.bufferToString(this._rootHash, "base32")
-      : null;
+    return this._rootHash ? this.bufferToString(this._rootHash, "base32") : null;
+  }
+
+  get storeIdBase64(): string {
+    return this.bufferToString(this._storeId, "base64");
+  }
+
+  get rootHashBase64(): string | null {
+    return this._rootHash ? this.bufferToString(this._rootHash, "base64") : null;
   }
 }