diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
index 4061709a56..cef4574ccc 100644
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -14,7 +14,7 @@
 
 ## Before merging
 
-- [ ] tested locally and on preview environment
+- [ ] tested locally and on preview environment (preview dev login: 5de6e)
 - [ ] updated [test cases](https://github.com/webstudio-is/webstudio-designer/blob/main/apps/designer/docs/test-cases.md) document
 - [ ] added tests
 - [ ] if any new env variables are added, added them to `.env.example` and the `designer/env-check.js` if mandatory
diff --git a/apps/designer/.env.example b/apps/designer/.env.example
index 354ce8b964..c04c47f861 100644
--- a/apps/designer/.env.example
+++ b/apps/designer/.env.example
@@ -11,9 +11,10 @@ FILE_UPLOAD_PATH="uploads"
 # S3 envs
 S3_BUCKET=
 S3_REGION=
+S3_ACL="public-read"
 S3_ENDPOINT=
 S3_ACCESS_KEY_ID=
 S3_SECRET_ACCESS_KEY=
 
 # if using r2 this your worker url
-WORKER_URL=
\ No newline at end of file
+ASSET_CDN_URL=
\ No newline at end of file
diff --git a/apps/designer/app/designer/features/sidebar-left/panels/asset-manager.tsx b/apps/designer/app/designer/features/sidebar-left/panels/asset-manager.tsx
index cbda921c0e..80db7345aa 100644
--- a/apps/designer/app/designer/features/sidebar-left/panels/asset-manager.tsx
+++ b/apps/designer/app/designer/features/sidebar-left/panels/asset-manager.tsx
@@ -1,44 +1,49 @@
 import { ImageIcon } from "~/shared/icons";
-import { Button, Flex, Grid, Heading } from "~/shared/design-system";
-import { useRef } from "react";
-import { Form, useSubmit } from "@remix-run/react";
-import type { Asset } from "@webstudio-is/prisma-client";
+import { Flex, Grid, Heading } from "~/shared/design-system";
+import { useEffect, useState } from "react";
+import { useActionData } from "@remix-run/react";
+import { Asset } from "@webstudio-is/prisma-client";
 import { AssetManagerImage } from "./components/image";
 
-export const TabContent = ({ assets }: { assets: Array<Asset> }) => {
-  const inputRef = useRef<HTMLInputElement | null>(null);
-  const submit = useSubmit();
+import { AddAnAssetForm } from "./components/add-an-asset-form";
+import { UploadingAsset } from "../types";
+
+export const TabContent = ({
+  assets: baseAssets,
+}: {
+  assets: Array<Asset | UploadingAsset>;
+}) => {
+  const newImages = useActionData();
+
+  const [assets, setAssets] = useState(baseAssets);
+
+  useEffect(() => {
+    if (newImages?.length) {
+      setAssets((currentAssets) => [
+        ...newImages,
+        ...currentAssets.filter((asset) => asset.status !== "uploading"),
+      ]);
+    }
+  }, [newImages]);
 
   return (
     <Flex gap="3" direction="column" css={{ padding: "$1" }}>
       <Flex justify="between">
         <Heading>Assets</Heading>
-        <Form
-          method="post"
-          encType="multipart/form-data"
-          onChange={(event) => {
-            if (inputRef.current?.files) {
-              submit(event.currentTarget);
-              event.currentTarget.reset();
-            }
-          }}
-        >
-          <input
-            accept="image/*"
-            type="file"
-            name="image"
-            multiple
-            ref={inputRef}
-            style={{ display: "none" }}
-          />
-          <Button type="button" onClick={() => inputRef?.current?.click()}>
-            Upload Image
-          </Button>
-        </Form>
+        <AddAnAssetForm
+          onSubmit={(uploadedAssets: Array<UploadingAsset>) =>
+            setAssets((assets) => [...uploadedAssets, ...assets])
+          }
+        />
       </Flex>
       <Grid columns={2} gap={2}>
         {assets.map((asset) => (
-          <AssetManagerImage key={asset.id} asset={asset} />
+          <AssetManagerImage
+            key={asset.id}
+            path={asset.path}
+            alt={asset.alt || asset.name}
+            status={asset.status}
+          />
         ))}
       </Grid>
     </Flex>
diff --git a/apps/designer/app/designer/features/sidebar-left/panels/components/add-an-asset-form.tsx b/apps/designer/app/designer/features/sidebar-left/panels/components/add-an-asset-form.tsx
new file mode 100644
index 0000000000..a19c673c17
--- /dev/null
+++ b/apps/designer/app/designer/features/sidebar-left/panels/components/add-an-asset-form.tsx
@@ -0,0 +1,66 @@
+import { Form, useSubmit } from "@remix-run/react";
+import { Asset } from "@webstudio-is/prisma-client";
+import ObjectID from "bson-objectid";
+import { ChangeEvent, useRef } from "react";
+import { Button } from "~/shared/design-system";
+import { UploadingAsset } from "../../types";
+
+const readImages = async (fileList: FileList) => {
+  const images = [];
+  for (const file of fileList) {
+    const path = await new Promise((resolve) => {
+      const reader = new FileReader();
+      reader.addEventListener("load", (event) => {
+        const dataUri = event?.target?.result;
+
+        resolve(dataUri);
+      });
+      reader.readAsDataURL(file);
+    });
+
+    images.push({
+      path: path as string,
+      name: file.name,
+      id: ObjectID().toString(),
+      status: "uploading" as Asset["status"],
+      alt: file.name,
+    });
+  }
+
+  return images;
+};
+
+export const AddAnAssetForm = ({
+  onSubmit,
+}: {
+  onSubmit: (uploadedAssets: Array<UploadingAsset>) => void;
+}) => {
+  const submit = useSubmit();
+  const inputRef = useRef<HTMLInputElement | null>(null);
+
+  const onFormChange = async (event: ChangeEvent<HTMLFormElement>) => {
+    const newFiles = inputRef?.current?.files;
+    if (newFiles) {
+      submit(event.currentTarget);
+      const parsedFiles = await readImages(newFiles);
+      onSubmit(parsedFiles);
+      event.currentTarget.reset();
+    }
+  };
+
+  return (
+    <Form method="post" encType="multipart/form-data" onChange={onFormChange}>
+      <input
+        accept="image/*"
+        type="file"
+        name="image"
+        multiple
+        ref={inputRef}
+        style={{ display: "none" }}
+      />
+      <Button type="button" onClick={() => inputRef?.current?.click()}>
+        Upload Image
+      </Button>
+    </Form>
+  );
+};
diff --git a/apps/designer/app/designer/features/sidebar-left/panels/components/image.tsx b/apps/designer/app/designer/features/sidebar-left/panels/components/image.tsx
index c4e5e75195..369b850e82 100644
--- a/apps/designer/app/designer/features/sidebar-left/panels/components/image.tsx
+++ b/apps/designer/app/designer/features/sidebar-left/panels/components/image.tsx
@@ -1,11 +1,12 @@
-import { Asset } from "@webstudio-is/prisma-client";
 import { useEffect, useState } from "react";
-import { Box } from "~/shared/design-system";
-import placholderImage from "~/shared/images/image-placeholder.svg";
+import { Box, ProgressBar } from "~/shared/design-system";
+import { useInterval } from "react-use";
+import placeholderImage from "~/shared/images/image-placeholder.svg";
 import brokenImage from "~/shared/images/broken-image-placeholder.svg";
+import { Asset } from "@webstudio-is/prisma-client";
 
 const useImageWithFallback = ({ path }: { path: string }) => {
-  const [src, setSrc] = useState(placholderImage);
+  const [src, setSrc] = useState(placeholderImage);
 
   useEffect(() => {
     const newImage = new Image();
@@ -18,21 +19,61 @@ const useImageWithFallback = ({ path }: { path: string }) => {
 };
 
 export const AssetManagerImage = ({
-  asset: { path, alt },
+  path,
+  alt,
+  status,
 }: {
-  asset: Asset;
+  path: string;
+  alt?: string;
+  status?: Asset["status"];
 }) => {
+  const isUploading = status === "uploading";
   const src = useImageWithFallback({ path });
+  const [progressBarPercentage, setProgressBarPercentage] = useState(0);
+
+  // @todo rewrite this fake indication to show real progress
+  useInterval(
+    () => {
+      setProgressBarPercentage((percentage) =>
+        percentage < 60 ? percentage + 1 : percentage
+      );
+    },
+    isUploading ? 100 : null
+  );
+
   return (
     <Box
       title={alt || ""}
       css={{
         aspectRatio: "1/1",
-        backgroundImage: `url(${src})`,
-        backgroundSize: "contain",
-        backgroundRepeat: "no-repeat",
-        backgroundPosition: "center",
+        display: "flex",
+        justifyContent: "center",
+        alignItems: "center",
+        padding: "0 $2",
+        position: "relative",
       }}
-    ></Box>
+    >
+      <Box
+        css={{
+          backgroundImage: `url("${src}")`,
+          width: "100%",
+          height: "100%",
+          backgroundSize: "contain",
+          backgroundRepeat: "no-repeat",
+          backgroundPosition: "center",
+          position: "absolute",
+          left: 0,
+          top: 0,
+          ...(isUploading ? { filter: "blur(1px)", opacity: 0.7 } : {}),
+        }}
+      ></Box>
+      {isUploading && (
+        <ProgressBar
+          value={progressBarPercentage}
+          max={60}
+          css={{ width: "100%", height: "$1" }}
+        />
+      )}
+    </Box>
   );
 };
diff --git a/apps/designer/app/designer/features/sidebar-left/types.ts b/apps/designer/app/designer/features/sidebar-left/types.ts
index dc658bb5f1..29fd62a28d 100644
--- a/apps/designer/app/designer/features/sidebar-left/types.ts
+++ b/apps/designer/app/designer/features/sidebar-left/types.ts
@@ -1,3 +1,9 @@
+import { Asset } from "@webstudio-is/prisma-client";
 import { panels } from "./panels";
 
 export type TabName = keyof typeof panels | "none";
+
+export type UploadingAsset = Pick<
+  Asset,
+  "id" | "status" | "name" | "path" | "alt"
+>;
diff --git a/apps/designer/app/routes/designer/$id.tsx b/apps/designer/app/routes/designer/$id.tsx
index 50f6f2e296..322389f433 100644
--- a/apps/designer/app/routes/designer/$id.tsx
+++ b/apps/designer/app/routes/designer/$id.tsx
@@ -42,9 +42,10 @@ export const action: ActionFunction = async ({ request, params }) => {
         projectId: params.id,
         dirname: __dirname,
       });
-      return {
-        assets,
-      };
+      return assets.map((asset: Asset) => ({
+        ...asset,
+        status: "uploaded",
+      }));
     } catch (error) {
       if (error instanceof Error) {
         return {
diff --git a/apps/designer/app/services/auth.server.ts b/apps/designer/app/services/auth.server.ts
index 05c08e740d..0e07fe3d77 100644
--- a/apps/designer/app/services/auth.server.ts
+++ b/apps/designer/app/services/auth.server.ts
@@ -55,7 +55,7 @@ if (process.env.DEV_LOGIN === "true") {
     new FormStrategy(async ({ form }) => {
       const secret = form.get("secret");
 
-      if (secret === process.env.AUTH_SECRET) {
+      if (secret === process.env.AUTH_SECRET?.slice(0, 4)) {
         try {
           const user = await db.user.createOrLoginWithDev();
           return user;
diff --git a/apps/designer/app/shared/design-system/index.ts b/apps/designer/app/shared/design-system/index.ts
index d94c0e1062..9c912df80b 100644
--- a/apps/designer/app/shared/design-system/index.ts
+++ b/apps/designer/app/shared/design-system/index.ts
@@ -39,6 +39,7 @@ export { Tooltip } from "./components/tooltip";
 export { Button } from "./components/button";
 export { IconButton } from "./components/icon-button";
 export { Box } from "./components/box";
+export { ProgressBar } from "./components/progress-bar";
 export {
   Popover,
   PopoverContent,
diff --git a/apps/designer/docs/test-cases.md b/apps/designer/docs/test-cases.md
index fb4c81f185..b991c78e17 100644
--- a/apps/designer/docs/test-cases.md
+++ b/apps/designer/docs/test-cases.md
@@ -64,7 +64,7 @@
    - Open the login page when logged in to make sure you are redirected to the dashboard
    - Ensure you can view a built site in an incognito tab
    - Ensure you can view a forked site in an incognito tab
-   - Click on dev login, add the AUTH_SECRET value in the `.env` value and make sure user is authenticated and redirected to the dashboard
+   - Click on dev login, add the first four characters in AUTH_SECRET value in the `.env` value and make sure user is authenticated and redirected to the dashboard
    - Click on dev login and write a wrong value to make sure you get an error message and stay in the login page.
    - Click on login with GitHub and make sure that you are redirected to the dashboard
    - Click on login with Google and make sure that you are redirected to the dashboard
diff --git a/packages/asset-uploader/src/db/create.ts b/packages/asset-uploader/src/db/create.ts
index 0cb2be322b..6b882fdaac 100644
--- a/packages/asset-uploader/src/db/create.ts
+++ b/packages/asset-uploader/src/db/create.ts
@@ -1,5 +1,6 @@
 import { type Location, prisma, Project } from "@webstudio-is/prisma-client";
 import sharp from "sharp";
+import { getAssetPath } from "../helpers/get-asset-path";
 
 export const create = async (
   projectId: Project["id"],
@@ -24,5 +25,8 @@ export const create = async (
     },
   });
 
-  return newAsset;
+  return {
+    ...newAsset,
+    path: getAssetPath(newAsset),
+  };
 };
diff --git a/packages/asset-uploader/src/helpers/get-asset-path.test.ts b/packages/asset-uploader/src/helpers/get-asset-path.test.ts
index 4c56a26a43..0701701e96 100644
--- a/packages/asset-uploader/src/helpers/get-asset-path.test.ts
+++ b/packages/asset-uploader/src/helpers/get-asset-path.test.ts
@@ -22,7 +22,7 @@ describe("getAssetPath", () => {
       ...OLD_ENV,
       S3_ACCESS_KEY_ID: "testid",
       S3_SECRET_ACCESS_KEY: "testkey",
-      WORKER_URL: "",
+      ASSET_CDN_URL: "",
     };
   });
 
@@ -87,7 +87,7 @@ describe("getAssetPath", () => {
       process.env.S3_ENDPOINT = "https://userid.r2.cloudflarestorage.com";
       process.env.S3_BUCKET = "bucket";
       process.env.S3_REGION = "auto";
-      process.env.WORKER_URL = "https://worker-test.workers.dev";
+      process.env.ASSET_CDN_URL = "https://worker-test.workers.dev";
       const { getAssetPath } = require("./get-asset-path");
       expect(
         getAssetPath({
diff --git a/packages/asset-uploader/src/helpers/get-asset-path.ts b/packages/asset-uploader/src/helpers/get-asset-path.ts
index 9a69969b63..168fdc6c52 100644
--- a/packages/asset-uploader/src/helpers/get-asset-path.ts
+++ b/packages/asset-uploader/src/helpers/get-asset-path.ts
@@ -13,10 +13,10 @@ export const getAssetPath = (asset: DbAsset) => {
   if (asset.location === Location.REMOTE && s3Envs.success) {
     const s3Url = new URL(s3Envs.data.S3_ENDPOINT);
 
-    if (s3Envs.data.WORKER_URL) {
-      const r2Url = new URL(s3Envs.data.WORKER_URL);
-      r2Url.pathname = asset.name;
-      return r2Url.toString();
+    if (s3Envs.data.ASSET_CDN_URL) {
+      const cndUrl = new URL(s3Envs.data.ASSET_CDN_URL);
+      cndUrl.pathname = asset.name;
+      return cndUrl.toString();
     }
     s3Url.hostname = `${s3Envs.data.S3_BUCKET}.${s3Url.hostname}`;
     s3Url.pathname = asset.name;
diff --git a/packages/asset-uploader/src/schema.ts b/packages/asset-uploader/src/schema.ts
index 0a8e3a2301..45399df529 100644
--- a/packages/asset-uploader/src/schema.ts
+++ b/packages/asset-uploader/src/schema.ts
@@ -20,8 +20,8 @@ export const s3EnvVariables = z.object({
   S3_ACCESS_KEY_ID: z.string(),
   S3_SECRET_ACCESS_KEY: z.string(),
   S3_BUCKET: z.string(),
-  S3_ACL: z.string().optional().default("public-read"),
-  WORKER_URL: z.string().optional(),
+  S3_ACL: z.string().optional(),
+  ASSET_CDN_URL: z.string().optional(),
 });
 
 export const fsEnvVariables = z.object({
diff --git a/packages/asset-uploader/src/targets/disk/upload.ts b/packages/asset-uploader/src/targets/disk/upload.ts
index 98fb57d26d..ebb0fd6b01 100644
--- a/packages/asset-uploader/src/targets/disk/upload.ts
+++ b/packages/asset-uploader/src/targets/disk/upload.ts
@@ -29,5 +29,5 @@ export const uploadToDisk = async ({
     return newAsset;
   });
 
-  await Promise.all(allInfo);
+  return await Promise.all(allInfo);
 };
diff --git a/packages/asset-uploader/src/targets/s3/handler.ts b/packages/asset-uploader/src/targets/s3/handler.ts
index ab99c93665..a2573ff9c1 100644
--- a/packages/asset-uploader/src/targets/s3/handler.ts
+++ b/packages/asset-uploader/src/targets/s3/handler.ts
@@ -43,8 +43,8 @@ export const s3UploadHandler: S3UploadHandler = async ({
   const [name, extension] = getFilenameAndExtension(filename);
   const key = encodeURI(`${name}_${Date.now()}.${extension}`);
 
-  // r2 does not have ACL support so in that case we pass nothing there
-  const ACL = s3Envs.WORKER_URL ? {} : { ACL: s3Envs.S3_ACL };
+  // if there is no ACL passed we do not default since some providers do not support it
+  const ACL = s3Envs.S3_ACL ? { ACL: s3Envs.S3_ACL } : {};
 
   const params: PutObjectCommandInput = {
     Bucket: s3Envs.S3_BUCKET,
diff --git a/packages/prisma-client/src/types.ts b/packages/prisma-client/src/types.ts
index 6fe42524f1..fbaabd8d76 100644
--- a/packages/prisma-client/src/types.ts
+++ b/packages/prisma-client/src/types.ts
@@ -2,5 +2,8 @@ import type { Asset as DbAsset } from "@prisma/client";
 export { Location } from "@prisma/client";
 export type { InstanceProps, Project, User, Breakpoints } from "@prisma/client";
 
-export type Asset = DbAsset & { path: string };
+export type Asset = DbAsset & {
+  path: string;
+  status?: "uploading" | "uploaded";
+};
 export type { DbAsset };