diff --git a/package.json b/package.json
index 1fdfd61..5a1ac1e 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,8 @@
   },
   "scripts": {
     "dev": "vite",
-    "build": "run-p type-check \"build-only {@}\" --",
+    "build": "run-s type-check build-only copy:manifest",
+    "copy:manifest": "cp public/manifest.json dist/",
     "preview": "vite preview",
     "test:unit": "vitest",
     "test:e2e": "playwright test",
@@ -27,6 +28,7 @@
     "@playwright/test": "^1.56.1",
     "@prettier/plugin-oxc": "^0.0.4",
     "@tsconfig/node22": "^22.0.2",
+    "@types/chrome": "^0.1.27",
     "@types/jsdom": "^27.0.0",
     "@types/node": "^22.18.11",
     "@vitejs/plugin-vue": "^6.0.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 7667b64..f5913f2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -24,6 +24,9 @@ importers:
       '@tsconfig/node22':
         specifier: ^22.0.2
         version: 22.0.2
+      '@types/chrome':
+        specifier: ^0.1.27
+        version: 0.1.27
       '@types/jsdom':
         specifier: ^27.0.0
         version: 27.0.0
@@ -808,12 +811,24 @@ packages:
   '@types/chai@5.2.3':
     resolution: {integrity: sha512-Mw558oeA9fFbv65/y4mHtXDs9bPnFMZAL/jxdPFUpOHHIXX91mcgEHbS5Lahr+pwZFR8A7GQleRWeI6cGFC2UA==}
 
+  '@types/chrome@0.1.27':
+    resolution: {integrity: sha512-pkkCb0Ft8X+Igi751POzT+YqchSxUCtB6s4Gs6ttgSj8qzJga/qlJMgSW1mKxuQTW4i0sTqQbqVtzXDS5AU+4A==}
+
   '@types/deep-eql@4.0.2':
     resolution: {integrity: sha512-c9h9dVVMigMPc4bwTvC5dxqtqJZwQPePsWjPlpSOnojbor6pGqdk541lfA7AqFQr5pB1BRdq0juY9db81BwyFw==}
 
   '@types/estree@1.0.8':
     resolution: {integrity: sha512-dWHzHa2WqEXI/O1E9OjrocMTKJl2mSrEolh1Iomrv6U+JuNwaHXsXx9bLu5gG7BUWFIN0skIQJQ/L1rIex4X6w==}
 
+  '@types/filesystem@0.0.36':
+    resolution: {integrity: sha512-vPDXOZuannb9FZdxgHnqSwAG/jvdGM8Wq+6N4D/d80z+D4HWH+bItqsZaVRQykAn6WEVeEkLm2oQigyHtgb0RA==}
+
+  '@types/filewriter@0.0.33':
+    resolution: {integrity: sha512-xFU8ZXTw4gd358lb2jw25nxY9QAgqn2+bKKjKOYfNCzN4DKCFetK7sPtrlpg66Ywe3vWY9FNxprZawAh9wfJ3g==}
+
+  '@types/har-format@1.2.16':
+    resolution: {integrity: sha512-fluxdy7ryD3MV6h8pTfTYpy/xQzCFC7m89nOH9y94cNqJ1mDIDPut7MnRHI3F6qRmh/cT2fUjG1MLdCNb4hE9A==}
+
   '@types/jsdom@27.0.0':
     resolution: {integrity: sha512-NZyFl/PViwKzdEkQg96gtnB8wm+1ljhdDay9ahn4hgb+SfVtPCbm3TlmDUFXTA+MGN3CijicnMhG18SI5H3rFw==}
 
@@ -2883,10 +2898,23 @@ snapshots:
       '@types/deep-eql': 4.0.2
       assertion-error: 2.0.1
 
+  '@types/chrome@0.1.27':
+    dependencies:
+      '@types/filesystem': 0.0.36
+      '@types/har-format': 1.2.16
+
   '@types/deep-eql@4.0.2': {}
 
   '@types/estree@1.0.8': {}
 
+  '@types/filesystem@0.0.36':
+    dependencies:
+      '@types/filewriter': 0.0.33
+
+  '@types/filewriter@0.0.33': {}
+
+  '@types/har-format@1.2.16': {}
+
   '@types/jsdom@27.0.0':
     dependencies:
       '@types/node': 22.19.0
diff --git a/public/manifest.json b/public/manifest.json
new file mode 100644
index 0000000..dff52d5
--- /dev/null
+++ b/public/manifest.json
@@ -0,0 +1,11 @@
+{
+  "manifest_version": 3,
+  "name": "gestime.aphp.fr exporter",
+  "version": "1.0.0",
+  "description": "TBD",
+  "action": {
+    "default_popup": "index.html"
+  },
+  "permissions": ["activeTab", "scripting"],
+  "host_permissions": ["http://gestime.aphp.fr/*"]
+}
diff --git a/tsconfig.app.json b/tsconfig.app.json
index 913b8f2..04771c8 100644
--- a/tsconfig.app.json
+++ b/tsconfig.app.json
@@ -4,6 +4,7 @@
   "exclude": ["src/**/__tests__/*"],
   "compilerOptions": {
     "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
+    "types": ["chrome"],
 
     "paths": {
       "@/*": ["./src/*"]