diff --git a/app.vue b/app.vue
index 66ddb6b..15329d8 100644
--- a/app.vue
+++ b/app.vue
@@ -4,13 +4,14 @@ import { VueSelecto } from "vue3-selecto";
 import { useDisplay } from 'vuetify/lib/framework.mjs';
 import { HistoryManager } from './composables/history-manager';
 import { FilesManager } from './composables/files-manager';
+import type { iFile } from "composables/worker/7zip-manager" 
 
 let display = useDisplay();
 let drawer = ref(!display.mdAndDown.value);
 let loadingModel = ref(false);
 let files = ref([]);
 
-let filesList = ref<any>([]);
+let filesList = ref<iFile[]>([]);
 let selectedPath = useSelectedPath();
 let filesGridList = ref<any>([])
 let selectedList = ref<any>([]);
@@ -22,7 +23,7 @@ watchEffect(async () => {
     loadingModel.value = true;
     filesList.value = [];
 
-    filesManager.loadArchive(files.value?.[0]);
+    await filesManager.loadArchive(files.value?.[0]);
 
     loadingModel.value = false;
   }
diff --git a/components/media/video-player.vue b/components/media/video-player.vue
new file mode 100644
index 0000000..e69de29
diff --git a/components/tree-view.vue b/components/tree-view.vue
index 5fe11c5..ed035ac 100644
--- a/components/tree-view.vue
+++ b/components/tree-view.vue
@@ -1,8 +1,9 @@
 <script setup lang="ts">
 import { CompressedFile } from 'libarchive.js/src/compressed-file';
+import type { iFile } from '~/composables/worker/7zip-manager';
 
 interface Props {
-    filesList: (File | CompressedFile) & { name: string, path: string, toggle: Boolean, isFolder: Boolean, content: any, active: boolean }[],
+    filesList: iFile[],
     nav: boolean
 }
 
@@ -13,7 +14,7 @@ let selectedPath = useSelectedPath();
 <template>
     <v-list :selected="[selectedPath]" density="compact" :nav="nav">
         <template v-for="file in filesList" :key="file.path">
-            <v-list-item active-color="light-blue-darken-4" :active=file.active :title="file.name" :subtitle="file.path"
+            <v-list-item active-color="light-blue-darken-4" :active="selectedPath == file.path" :title="file.name" :subtitle="file.path"
                 :value="file.path" @click="() => {
                     selectedPath = file.path;
                     file.toggle = !file.toggle;
@@ -27,7 +28,7 @@ let selectedPath = useSelectedPath();
                     <v-icon>{{ `mdi-chevron-${file.toggle ? 'up' : 'down'}` }}</v-icon>
                 </template>
             </v-list-item>
-            <div v-if="file.isFolder && file.toggle"
+            <div v-if="file.isFolder && file.toggle && file.content"
                 :style="`background-color: rgba(0,0,0,0.05);${nav ? `border-radius: 4px;` : ''}`">
                 <TreeView :files-list="file.content" :nav="false"></TreeView>
             </div>
diff --git a/composables/files-manager.ts b/composables/files-manager.ts
index 0df85ed..fc9035a 100644
--- a/composables/files-manager.ts
+++ b/composables/files-manager.ts
@@ -1,134 +1,30 @@
 // class to load 7zip wasm module
 // and extract files from archive
 
-import SevenZip, { SevenZipModule } from "7z-wasm";
+import * as Comlink from "comlink";
+// @ts-expect-error typescript can't find it when query it with ?worker
+import SevenZipWorker from "./worker/7zip-manager?worker";
+import { SevenZipManager, iFile } from "./worker/7zip-manager";
 
 export class FilesManager {
-    sevenZip?: SevenZipModule;
     consoleOutputBuffer: string[] = [];
     path: Ref<string> = useSelectedPath();
+    remoteSevenZipManager?: Comlink.Remote<SevenZipManager>;
 
-    constructor(private filesList: Ref<any[]>) {
+    constructor(private filesList: Ref<iFile[]>) {
         this.init();
     }
 
     async init() {
-        this.sevenZip = await SevenZip({
-            wasmBinary: await fetch("/7zz.wasm").then((res) => res.arrayBuffer()),
-            print: (text) => {
-                if (text.lastIndexOf("\b")) {
-                    text = text.substring(text.lastIndexOf("\b") + 1);
-                }
-                this.consoleOutputBuffer.push(text);
-            },
-        });
-    }
-
-    execute(commands: string[]) {
-        if (!this.sevenZip) return;
-        this.consoleOutputBuffer = [];
-        this.sevenZip.callMain(commands);
-        return this.consoleOutputBuffer;
+        this.remoteSevenZipManager = await new (Comlink.wrap(new SevenZipWorker()) as any);
     }
 
     async loadArchive(file: File) {
-        if (!this.sevenZip) return;
-
-        const archiveName = file.name;
-
-        const stream = this.sevenZip.FS.open(archiveName, "w+");
-        let archiveData = new Uint8Array(await file.arrayBuffer());
-
-        this.sevenZip.FS.write(stream, archiveData, 0, archiveData.byteLength);
-        this.sevenZip.FS.close(stream);
-
-        // 7zip get files list
-        let filesString = this.execute(["l", "-ba", archiveName]);
-
-        // parse files list
-        let unorganizedFiles = filesString!.map((fileString) => {
-            let file: RegExpMatchArray = /[\s+|(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})]\s+(?<type>[AD.]+)\s+(?<size>\d+)\s+(?<compressed>\d+)\s+(?<path>.+)[\n\r]{0,}/.exec(fileString)!;
-            let isFolder = file.groups!.type?.indexOf("D") > -1 ? true : false;
-            return {
-                name: file.groups!.path.lastIndexOf('/') > -1 ? file.groups!.path.substring(file.groups!.path.lastIndexOf('/') + 1) : file.groups!.path,
-                path: `/${file.groups!.path}`,
-                isFolder: isFolder ? true : false,
-                content: isFolder ? [] as any[] : undefined,
-            }
-        });
-
-        // sort unorganized files by depth
-        unorganizedFiles = unorganizedFiles.sort((a, b) => {
-            const aPathArrayLength = (a.path.match(/\//g) || []).length;
-            const bPathArrayLength = (b.path.match(/\//g) || []).length;
-            if (aPathArrayLength > bPathArrayLength) return -1;
-            if (aPathArrayLength < bPathArrayLength) return 1;
-            return 0;
-        });
-
-        // sort files and folder inside each folder
-        const pathArrays: any = {};
-        for (let file of unorganizedFiles) {
-            // get parent folder file
-            const parentPath = file.path.substring(0, file.path.lastIndexOf("/"));
-            let parentFolderFile = pathArrays[parentPath] || unorganizedFiles.find(_file => _file.path === parentPath);
-            if (!parentFolderFile) {
-                unorganizedFiles.push({
-                    name: parentPath.substring(parentPath.lastIndexOf('/') + 1),
-                    path: parentPath,
-                    isFolder: true,
-                    content: [],
-                });
-
-                parentFolderFile = unorganizedFiles.find(_file => _file.path === parentPath);
-            };
-
-            // add file to parent folder content
-            if (!parentFolderFile.content) parentFolderFile.content = [];
-            parentFolderFile.content.push(file);
-
-            // cache split path array to avoid calling split() multiple times
-            const pathArray = pathArrays[file.path] || file.path.split("/");
-            pathArrays[file.path] = pathArray;
-        }
-
-        // remove folders from root
-        const files = unorganizedFiles.filter(file => (file.path.match(/\//g) || []).length == 1).sort((a:any, b:any) => {
-            // sort by folder and from a to z
-            if (a.isFolder && !b.isFolder) return -1;
-            if (!a.isFolder && b.isFolder) return 1;
-            if (a.name < b.name) return -1;
-            if (a.name > b.name) return 1;
-            return 0;
-        });
-
-        this.filesList.value = files;
-
-        return files;
+        if (!this.remoteSevenZipManager) return;
+        this.filesList.value = await this.remoteSevenZipManager.loadArchive(file) || [];
     }
 
-    // wait until console output is empty
-    async waitConsoleOutput() {
-        if (!this.sevenZip) return;
-
-        let breakLoop = false;
-        let lastLength = this.consoleOutputBuffer.length;
-        while (!breakLoop) {
-            await new Promise((resolve) => {
-                if (lastLength == this.consoleOutputBuffer.length) {
-                    breakLoop = true;
-                    return;
-                }
-
-                lastLength = this.consoleOutputBuffer.length;
-                setTimeout(resolve, 10)
-            });
-        }
-
-        return;
-    }
-
-    getFile(path: string, innerList = undefined): any {
+    getFile(path: string, innerList: iFile[] | undefined = undefined): any {
         if (path == "/") {
             return {
                 content: this.filesList.value.sort((a:any, b:any) => {
diff --git a/composables/worker/7zip-manager.ts b/composables/worker/7zip-manager.ts
new file mode 100644
index 0000000..2cdc550
--- /dev/null
+++ b/composables/worker/7zip-manager.ts
@@ -0,0 +1,140 @@
+// class to load 7zip wasm module
+// and extract files from archive
+
+import SevenZip, { SevenZipModule } from "7z-wasm";
+// @ts-expect-error 7z-wasm have that file but typescript can't find it when query it with url
+import SevenZipWasm from "7z-wasm/7zz.wasm?url";
+import * as Comlink from "comlink";
+
+export interface iFile {
+    name: string;
+    path: string;
+    isFolder: boolean;
+    toggle: boolean;
+    content?: iFile[];
+}
+
+export class SevenZipManager {
+    sevenZip?: SevenZipModule;
+    consoleOutputBuffer: string[] = [];
+
+    constructor() {
+        this.init();
+    }
+
+    async init() {
+        this.sevenZip = await SevenZip({
+            locateFile: () => SevenZipWasm,
+            print: (text) => {
+                if (text.lastIndexOf("\b")) {
+                    text = text.substring(text.lastIndexOf("\b") + 1);
+                }
+                this.consoleOutputBuffer.push(text);
+            },
+        });
+    }
+
+    execute(commands: string[]) {
+        if (!this.sevenZip) return;
+        this.consoleOutputBuffer = [];
+        this.sevenZip.callMain(commands);
+        return this.consoleOutputBuffer;
+    }
+
+    async loadArchive(file: File) {
+        if (!this.sevenZip) return;
+
+        const archiveName = file.name;
+
+        const stream = this.sevenZip.FS.open(archiveName, "w+");
+        let archiveData = new Uint8Array(await file.arrayBuffer());
+
+        this.sevenZip.FS.write(stream, archiveData, 0, archiveData.byteLength);
+        this.sevenZip.FS.close(stream);
+
+        // 7zip get files list
+        let filesString = this.execute(["l", "-ba", archiveName]);
+
+        // parse files list
+        let unorganizedFiles = filesString!.map((fileString) => {
+            let file: RegExpMatchArray = /[\s+|(\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2})]\s+(?<type>[AD.]+)\s+(?<size>\d+)\s+(?<compressed>\d+)\s+(?<path>.+)[\n\r]{0,}/.exec(fileString)!;
+            let isFolder = file.groups!.type?.indexOf("D") > -1 ? true : false;
+            return {
+                name: file.groups!.path.lastIndexOf('/') > -1 ? file.groups!.path.substring(file.groups!.path.lastIndexOf('/') + 1) : file.groups!.path,
+                path: `/${file.groups!.path}`,
+                isFolder: isFolder ? true : false,
+                content: isFolder ? [] as any[] : undefined,
+            }
+        });
+
+        // sort unorganized files by depth
+        unorganizedFiles = unorganizedFiles.sort((a, b) => {
+            const aPathArrayLength = (a.path.match(/\//g) || []).length;
+            const bPathArrayLength = (b.path.match(/\//g) || []).length;
+            if (aPathArrayLength > bPathArrayLength) return -1;
+            if (aPathArrayLength < bPathArrayLength) return 1;
+            return 0;
+        });
+
+        // sort files and folder inside each folder
+        const pathArrays: any = {};
+        for (let file of unorganizedFiles) {
+            // get parent folder file
+            const parentPath = file.path.substring(0, file.path.lastIndexOf("/"));
+            let parentFolderFile = pathArrays[parentPath] || unorganizedFiles.find(_file => _file.path === parentPath);
+            if (!parentFolderFile) {
+                unorganizedFiles.push({
+                    name: parentPath.substring(parentPath.lastIndexOf('/') + 1),
+                    path: parentPath,
+                    isFolder: true,
+                    content: [],
+                });
+
+                parentFolderFile = unorganizedFiles.find(_file => _file.path === parentPath);
+            };
+
+            // add file to parent folder content
+            if (!parentFolderFile.content) parentFolderFile.content = [];
+            parentFolderFile.content.push(file);
+
+            // cache split path array to avoid calling split() multiple times
+            const pathArray = pathArrays[file.path] || file.path.split("/");
+            pathArrays[file.path] = pathArray;
+        }
+
+        // remove folders from root
+        const files = unorganizedFiles.filter(file => (file.path.match(/\//g) || []).length == 1).sort((a:any, b:any) => {
+            // sort by folder and from a to z
+            if (a.isFolder && !b.isFolder) return -1;
+            if (!a.isFolder && b.isFolder) return 1;
+            if (a.name < b.name) return -1;
+            if (a.name > b.name) return 1;
+            return 0;
+        });
+
+        return files as iFile[];
+    }
+
+    // wait until console output is empty
+    async waitConsoleOutput() {
+        if (!this.sevenZip) return;
+
+        let breakLoop = false;
+        let lastLength = this.consoleOutputBuffer.length;
+        while (!breakLoop) {
+            await new Promise((resolve) => {
+                if (lastLength == this.consoleOutputBuffer.length) {
+                    breakLoop = true;
+                    return;
+                }
+
+                lastLength = this.consoleOutputBuffer.length;
+                setTimeout(resolve, 10)
+            });
+        }
+
+        return;
+    }
+}
+
+Comlink.expose(SevenZipManager);
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 62da48a..5ad0518 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,6 +9,7 @@
       "dependencies": {
         "@mdi/font": "^7.2.96",
         "7z-wasm": "^1.0.2",
+        "comlink": "^4.4.1",
         "moveable": "^0.47.7",
         "sass": "^1.62.1",
         "selecto": "^1.22.3",
@@ -2787,6 +2788,11 @@
       "integrity": "sha512-IfEDxwoWIjkeXL1eXcDiow4UbKjhLdq6/EuSVR9GMN7KVH3r9gQ83e73hsz1Nd1T3ijd5xv1wcWRYO+D6kCI2w==",
       "dev": true
     },
+    "node_modules/comlink": {
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/comlink/-/comlink-4.4.1.tgz",
+      "integrity": "sha512-+1dlx0aY5Jo1vHy/tSsIGpSkN4tS9rZSW8FIhG0JH/crs9wwweswIo/POr451r7bZww3hFbPAKnTpimzL/mm4Q=="
+    },
     "node_modules/commander": {
       "version": "2.20.3",
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
diff --git a/package.json b/package.json
index 144f26e..78f3436 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
   "dependencies": {
     "@mdi/font": "^7.2.96",
     "7z-wasm": "^1.0.2",
+    "comlink": "^4.4.1",
     "moveable": "^0.47.7",
     "sass": "^1.62.1",
     "selecto": "^1.22.3",
diff --git a/public/7zz.wasm b/public/7zz.wasm
deleted file mode 100644
index d0258e9..0000000
Binary files a/public/7zz.wasm and /dev/null differ