diff --git a/apps/files_sharing/src/components/SharingEntryLink.vue b/apps/files_sharing/src/components/SharingEntryLink.vue
index 7e2c22713e2d7..367f7f4c21672 100644
--- a/apps/files_sharing/src/components/SharingEntryLink.vue
+++ b/apps/files_sharing/src/components/SharingEntryLink.vue
@@ -238,6 +238,8 @@
 				<VueQrcode
 					tag="img"
 					:value="shareLink"
+					:size="256"
+					:margin="2"
 					class="qr-code-dialog__img" />
 			</div>
 		</NcDialog>
@@ -1003,8 +1005,14 @@ export default {
 	justify-content: center;
 
 	&__img {
-		width: 100%;
+		max-width: 256px;
+		max-height: 256px;
+		width: auto;
 		height: auto;
+		image-rendering: -webkit-optimize-contrast;
+		image-rendering: -moz-crisp-edges;
+		image-rendering: pixelated;
+		image-rendering: crisp-edges;
 	}
 }
 </style>
diff --git a/apps/settings/src/components/AuthTokenSetupDialog.vue b/apps/settings/src/components/AuthTokenSetupDialog.vue
index 0b85adb0c68dc..435da6a4935dc 100644
--- a/apps/settings/src/components/AuthTokenSetupDialog.vue
+++ b/apps/settings/src/components/AuthTokenSetupDialog.vue
@@ -42,7 +42,12 @@
 			<NcButton v-if="!showQRCode" @click="showQRCode = true">
 				{{ t('settings', 'Show QR code for mobile apps') }}
 			</NcButton>
-			<QR v-else :value="qrUrl" />
+			<QR
+				v-else
+				:value="qrUrl"
+				:size="200"
+				:margin="2"
+				class="qr-code" />
 		</div>
 	</NcDialog>
 </template>
@@ -216,6 +221,13 @@ export default defineComponent({
 	&__qrcode {
 		display: flex;
 		justify-content: center;
+
+		:deep(.qr-code) {
+			image-rendering: -webkit-optimize-contrast;
+			image-rendering: -moz-crisp-edges;
+			image-rendering: pixelated;
+			image-rendering: crisp-edges;
+		}
 	}
 }
 </style>