diff --git a/src/pages/generate/index.tsx b/src/pages/generate/index.tsx
index 8a72193c9..e68656b89 100644
--- a/src/pages/generate/index.tsx
+++ b/src/pages/generate/index.tsx
@@ -12,7 +12,7 @@ import { getData, LS_KEYS, setData } from 'utils/storage/localStorage';
 import { useRouter } from 'next/router';
 import { getKey, SESSION_KEYS, setKey } from 'utils/storage/sessionStorage';
 import * as Comlink from 'comlink';
-import { KeyEncryptionResult } from 'services/uploadService';
+import { B64EncryptionResult } from 'services/uploadService';
 
 const CryptoWorker: any =
     typeof window !== 'undefined' &&
@@ -63,12 +63,12 @@ export default function Generate() {
                     kekSalt
                 );
                 const kekHash: string = await cryptoWorker.hash(kek);
-                const encryptedKeyAttributes: KeyEncryptionResult = await cryptoWorker.encryptToB64(
+                const encryptedKeyAttributes: B64EncryptionResult = await cryptoWorker.encryptToB64(
                     key,
                     kek
                 );
                 const keyPair = await cryptoWorker.generateKeyPair();
-                const encryptedKeyPairAttributes: KeyEncryptionResult = await cryptoWorker.encryptToB64(
+                const encryptedKeyPairAttributes: B64EncryptionResult = await cryptoWorker.encryptToB64(
                     keyPair.privateKey,
                     key
                 );
diff --git a/src/services/collectionService.ts b/src/services/collectionService.ts
index 4fbea94eb..30dbce9e8 100644
--- a/src/services/collectionService.ts
+++ b/src/services/collectionService.ts
@@ -1,12 +1,13 @@
 import { getEndpoint } from 'utils/common/apiUtil';
 import { getData, LS_KEYS } from 'utils/storage/localStorage';
-import { file, user, getFiles } from './fileService';
+import { file } from './fileService';
 import localForage from 'localforage';
 
 import HTTPService from './HTTPService';
 import * as Comlink from 'comlink';
-import { KeyEncryptionResult } from './uploadService';
+import { B64EncryptionResult } from './uploadService';
 import { getActualKey, getToken } from 'utils/common/key';
+import { user } from './userService';
 
 const CryptoWorker: any =
     typeof window !== 'undefined' &&
@@ -77,7 +78,7 @@ const getCollectionSecrets = async (
     }
     collection.name =
         collection.name ||
-        (await worker.decryptString(
+        (await worker.decryptToUTF8(
             collection.encryptedName,
             collection.nameDecryptionNonce,
             decryptedKey
@@ -122,7 +123,6 @@ export const syncCollections = async (token: string, key: string) => {
         (await localForage.getItem<string>(COLLECTION_UPDATION_TIME)) ?? '0';
     const updatedCollections =
         (await getCollections(token, lastCollectionUpdationTime, key)) || [];
-
     if (updatedCollections.length == 0) {
         return localCollections;
     }
@@ -152,6 +152,7 @@ export const syncCollections = async (token: string, key: string) => {
             updationTime = Math.max(updationTime, collection.updationTime);
         }
     }
+    collections.sort((a, b) => b.updationTime - a.updationTime);
     await localForage.setItem(COLLECTION_UPDATION_TIME, updationTime);
     await localForage.setItem(COLLECTIONS, collections);
     return collections;
@@ -164,19 +165,24 @@ export const getCollectionAndItsLatestFile = (
     const latestFile = new Map<number, file>();
     const collectionMap = new Map<number, collection>();
 
-    collections.forEach((collection) =>
-        collectionMap.set(collection.id, collection)
-    );
     files.forEach((file) => {
         if (!latestFile.has(file.collectionID)) {
             latestFile.set(file.collectionID, file);
         }
     });
     let allCollectionAndItsLatestFile: CollectionAndItsLatestFile[] = [];
-    for (const [collectionID, file] of latestFile) {
+    const userID = getData(LS_KEYS.USER).id;
+
+    for (const collection of collections) {
+        if (
+            collection.owner.id != userID ||
+            collection.type == CollectionType.favorites
+        ) {
+            continue;
+        }
         allCollectionAndItsLatestFile.push({
-            collection: collectionMap.get(collectionID),
-            file,
+            collection,
+            file: latestFile.get(collection.id),
         });
     }
     return allCollectionAndItsLatestFile;
@@ -208,14 +214,14 @@ export const AddCollection = async (
     const {
         encryptedData: encryptedKey,
         nonce: keyDecryptionNonce,
-    }: KeyEncryptionResult = await worker.encryptToB64(
+    }: B64EncryptionResult = await worker.encryptToB64(
         collectionKey,
         encryptionKey
     );
     const {
         encryptedData: encryptedName,
         nonce: nameDecryptionNonce,
-    }: KeyEncryptionResult = await worker.encryptToB64(
+    }: B64EncryptionResult = await worker.encryptToB64(
         collectionName,
         collectionKey
     );
@@ -290,7 +296,7 @@ const addToCollection = async (collection: collection, files: file[]) => {
         await Promise.all(
             files.map(async (file) => {
                 file.collectionID = collection.id;
-                const newEncryptedKey: KeyEncryptionResult = await worker.encryptToB64(
+                const newEncryptedKey: B64EncryptionResult = await worker.encryptToB64(
                     file.key,
                     collection.key
                 );
diff --git a/src/services/fileService.ts b/src/services/fileService.ts
index f5db01ed6..11ae3bc57 100644
--- a/src/services/fileService.ts
+++ b/src/services/fileService.ts
@@ -25,11 +25,6 @@ export interface fileAttribute {
     decryptionHeader: string;
 }
 
-export interface user {
-    id: number;
-    name: string;
-    email: string;
-}
 
 export interface file {
     id: number;
diff --git a/src/services/uploadService.ts b/src/services/uploadService.ts
index 61dd86f51..8bdb453f9 100644
--- a/src/services/uploadService.ts
+++ b/src/services/uploadService.ts
@@ -18,7 +18,7 @@ interface EncryptionResult {
     file: fileAttribute;
     key: string;
 }
-export interface KeyEncryptionResult {
+export interface B64EncryptionResult {
     encryptedData: string;
     key: string;
     nonce: string;
@@ -46,7 +46,7 @@ interface FileinMemory {
 
 interface EncryptedFile {
     file: ProcessedFile;
-    fileKey: KeyEncryptionResult;
+    fileKey: B64EncryptionResult;
 }
 interface ProcessedFile {
     file: fileAttribute;
@@ -251,7 +251,7 @@ class UploadService {
                 fileKey
             );
 
-            const encryptedKey: KeyEncryptionResult = await worker.encryptToB64(
+            const encryptedKey: B64EncryptionResult = await worker.encryptToB64(
                 fileKey,
                 encryptionKey
             );
@@ -299,7 +299,7 @@ class UploadService {
     private getuploadFile(
         collection: collection,
         backupedFile: BackupedFile,
-        fileKey: KeyEncryptionResult
+        fileKey: B64EncryptionResult
     ): uploadFile {
         const uploadFile: uploadFile = {
             collectionID: collection.id,
diff --git a/src/services/userService.ts b/src/services/userService.ts
index c15dea953..1812e29a1 100644
--- a/src/services/userService.ts
+++ b/src/services/userService.ts
@@ -4,6 +4,12 @@ import { getEndpoint } from 'utils/common/apiUtil';
 
 const ENDPOINT = getEndpoint();
 
+export interface user {
+    id: number;
+    name: string;
+    email: string;
+}
+
 export const getOtt = (email: string) => {
     return HTTPService.get(`${ENDPOINT}/users/ott`, {
         email: email,
diff --git a/src/utils/crypto/libsodium.ts b/src/utils/crypto/libsodium.ts
index e9bb30587..87cd5e055 100644
--- a/src/utils/crypto/libsodium.ts
+++ b/src/utils/crypto/libsodium.ts
@@ -138,6 +138,10 @@ export async function encryptToB64(data: string, key?: string) {
         nonce: await toB64(encrypted.nonce),
     };
 }
+export async function encryptUTF8(data: string, key?: string) {
+    const b64Data = await toB64(await fromString(data));
+    return await encryptToB64(b64Data, key);
+}
 
 export async function decryptB64(data: string, nonce: string, key: string) {
     await sodium.ready;
@@ -150,7 +154,7 @@ export async function decryptB64(data: string, nonce: string, key: string) {
     return await toB64(decrypted);
 }
 
-export async function decryptString(data: string, nonce: string, key: string) {
+export async function decryptToUTF8(data: string, nonce: string, key: string) {
     await sodium.ready;
     const decrypted = await decrypt(
         await fromB64(data),
@@ -246,14 +250,7 @@ export async function boxSealOpen(
 
 export async function fromB64(input: string) {
     await sodium.ready;
-    let result;
-    try {
-        result = sodium.from_base64(input, sodium.base64_variants.ORIGINAL);
-    } catch (e) {
-        result = await fromB64(await toB64(await fromString(input)));
-    } finally {
-        return result;
-    }
+    return sodium.from_base64(input, sodium.base64_variants.ORIGINAL);
 }
 
 export async function toB64(input: Uint8Array) {
diff --git a/src/worker/crypto.worker.js b/src/worker/crypto.worker.js
index 403628b1b..3585b7024 100644
--- a/src/worker/crypto.worker.js
+++ b/src/worker/crypto.worker.js
@@ -69,14 +69,18 @@ export class Crypto {
         return libsodium.decryptB64(data, nonce, key);
     }
 
-    async decryptString(data, nonce, key) {
-        return libsodium.decryptString(data, nonce, key);
+    async decryptToUTF8(data, nonce, key) {
+        return libsodium.decryptToUTF8(data, nonce, key);
     }
 
     async encryptToB64(data, key) {
         return libsodium.encryptToB64(data, key);
     }
 
+    async encryptUTF8(data, key) {
+        return libsodium.encryptUTF8(data, key);
+    }
+
     async generateMasterKey() {
         return libsodium.generateMasterKey();
     }