diff --git a/package.json b/package.json
index d3ee1418..ab6bfcab 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,6 @@
     "vite-plugin-top-level-await": "^1.4.1",
     "vite-plugin-wasm": "^3.2.2",
     "vite-plugin-wasm-pack": "^0.1.12",
-    "vitest": "^0.32.2",
-    "buffer": "^6.0.3"
+    "vitest": "^0.32.2"
   }
 }
diff --git a/src/js/Aladin.js b/src/js/Aladin.js
index 06ceedf4..d3130886 100644
--- a/src/js/Aladin.js
+++ b/src/js/Aladin.js
@@ -26,7 +26,6 @@
  * Author: Thomas Boch[CDS], Matthieu Baumann[CDS]
  *
  *****************************************************************************/
-import { Buffer } from "buffer";
 
 import { version } from "./../../package.json";
 import { View } from "./View.js";
@@ -2182,8 +2181,7 @@ aladin.on("positionChanged", ({ra, dec}) => {
     };
 
     Aladin.prototype.getViewImageBuffer = async function (withLogo) {
-        const viewDataURL = await this.view.getCanvasDataURL("image/png", null, null, withLogo);
-        return Buffer.from(viewDataURL.split(",")[1], "base64");
+        return await this.view.getCanvasBuffer("image/png", null, null, withLogo);
     }
 
     /**
diff --git a/src/js/View.js b/src/js/View.js
index 39c2cf98..f20cb482 100644
--- a/src/js/View.js
+++ b/src/js/View.js
@@ -446,10 +446,7 @@ export let View = (function () {
         this.catalogCanvas.style.cursor = cursor;
     };
 
-    /**
-     * return dataURL string corresponding to the current view
-     */
-    View.prototype.getCanvasDataURL = async function (imgType, width, height, withLogo=true) {
+    View.prototype.getCanvasContext = async function (imgType, width, height, withLogo=true) {
         const loadImage = function (url) {
             return new Promise((resolve, reject) => {
                 const image = new Image()
@@ -480,9 +477,24 @@ export let View = (function () {
             ctx.drawImage(logo, offX, offY);
         }
 
+        return c;
+    }
+
+    /**
+     * return dataURL string corresponding to the current view
+     */
+    View.prototype.getCanvasDataURL = async function (imgType, width, height, withLogo=true) {
+        const c = await this.getCanvasContext(imgType, width, height, withLogo);
         return c.toDataURL(imgType);
     };
 
+    /**
+     * return ArrayBuffer corresponding to the current view
+     */
+    View.prototype.getCanvasBuffer = async function (imgType, width, height, withLogo=true) {
+        const c = await this.getCanvasContext(imgType, width, height, withLogo);
+        return c.getContext('2d').getImageData(0, 0, c.width, c.height).data.buffer;
+    }
 
     View.prototype.selectLayer = function (layer) {
         if (!this.imageLayers.has(layer)) {