diff --git a/src/pages/editor/components/canvas/ObjectRenderer.tsx b/src/pages/editor/components/canvas/ObjectRenderer.tsx
index 06ef848..bf19384 100644
--- a/src/pages/editor/components/canvas/ObjectRenderer.tsx
+++ b/src/pages/editor/components/canvas/ObjectRenderer.tsx
@@ -88,7 +88,7 @@ const ObjectRenderer = ({
             groupNode?.clearCache();
         };
     // eslint-disable-next-line react-hooks/exhaustive-deps
-    }, [shouldApplyMask, isSelected, maskRelXDep, maskRelYDep, maskShape?.width, maskShape?.height, maskShape?.rotation, obj.width, obj.height, obj.rotation, obj.maskInvert, obj.strokeWidth, obj.stroke, obj.fill, obj.fillType, obj.gradient, obj.blur]);
+    }, [shouldApplyMask, isSelected, maskRelXDep, maskRelYDep, maskShape?.width, maskShape?.height, maskShape?.rotation, obj.width, obj.height, obj.rotation, obj.maskInvert, obj.strokeWidth, obj.stroke, obj.fill, obj.fillType, obj.gradient, obj.blur, obj.borderRadius]);
 
     // Refresh cache after transformer is attached (when isSelected changes)
     useEffect(() => {
diff --git a/src/pages/editor/components/sidebar/settings/SizeSettings.tsx b/src/pages/editor/components/sidebar/settings/SizeSettings.tsx
index adbb636..d5b8abd 100644
--- a/src/pages/editor/components/sidebar/settings/SizeSettings.tsx
+++ b/src/pages/editor/components/sidebar/settings/SizeSettings.tsx
@@ -31,6 +31,17 @@ const SizeSettings = ({ selectedObject, onUpdate, defaultWidth = 100, defaultHei
                     })
                 }
             />
+            <Input
+                label="گردی گوشه"
+                type="number"
+                value={selectedObject.borderRadius ?? 0}
+                onChange={(e) =>
+                    onUpdate(selectedObject.id, {
+                        borderRadius: Math.max(0, parseInt(e.target.value) || 0),
+                    })
+                }
+                min={0}
+            />
         </>
     );
 };
diff --git a/src/pages/editor/components/tools/AudioShape.tsx b/src/pages/editor/components/tools/AudioShape.tsx
index 0d3bba5..cd8ba55 100644
--- a/src/pages/editor/components/tools/AudioShape.tsx
+++ b/src/pages/editor/components/tools/AudioShape.tsx
@@ -2,6 +2,7 @@ import { useEffect, useMemo, useRef } from "react";
 import { Rect, Group, Circle, Text as KonvaText } from "react-konva";
 import Konva from "konva";
 import type { ShapeProps } from "./types";
+import { getObjectBorderRadius } from "../../utils/borderRadius";
 
 const AudioShape = ({
     obj,
@@ -15,6 +16,7 @@ const AudioShape = ({
 
     const containerWidth = obj.width || 320;
     const containerHeight = obj.height || 56;
+    const cornerRadius = getObjectBorderRadius(obj.borderRadius ?? 8);
     const barY = containerHeight * 0.55;
     const barHeight = Math.max(4, containerHeight * 0.12);
     const playRadius = Math.min(18, containerHeight * 0.35);
@@ -70,7 +72,7 @@ const AudioShape = ({
                 width={containerWidth}
                 height={containerHeight}
                 fill="#f3f4f6"
-                cornerRadius={8}
+                cornerRadius={cornerRadius}
                 stroke={isSelected ? "#3b82f6" : "#d1d5db"}
                 strokeWidth={isSelected ? 3 : 1}
                 onClick={handleGroupClick}
diff --git a/src/pages/editor/components/tools/ImageObject.tsx b/src/pages/editor/components/tools/ImageObject.tsx
index cb1b629..7d47a28 100644
--- a/src/pages/editor/components/tools/ImageObject.tsx
+++ b/src/pages/editor/components/tools/ImageObject.tsx
@@ -1,9 +1,10 @@
 import { useEffect, useRef } from "react";
-import { Image as KonvaImage } from "react-konva";
+import { Image as KonvaImage, Group, Rect } from "react-konva";
 import Konva from "konva";
 import useImage from "use-image";
 import type { ShapeProps } from "./types";
 import { clampPositionToStage } from "../../utils/stageBounds";
+import { createRoundedRectClipFunc, getObjectBorderRadius } from "../../utils/borderRadius";
 
 const ImageObject = ({
     obj,
@@ -17,9 +18,8 @@ const ImageObject = ({
 }: ShapeProps) => {
     const [image, status] = useImage(obj.imageUrl || "");
     const shapeRef = useRef<Konva.Image>(null);
+    const groupRef = useRef<Konva.Group>(null);
 
-    // Notify parent (ObjectRenderer) as soon as the image is decoded and ready.
-    // This lets the masked group re-cache itself after the image content appears.
     useEffect(() => {
         if (status === "loaded" && onImageReady) {
             onImageReady();
@@ -31,6 +31,84 @@ const ImageObject = ({
     const width = obj.width || image.width;
     const height = obj.height || image.height;
     const hasStageBounds = stageWidth != null && stageHeight != null;
+    const cornerRadius = getObjectBorderRadius(obj.borderRadius);
+    const clipFunc = createRoundedRectClipFunc(width, height, cornerRadius);
+
+    const dragBoundFunc =
+        draggable && hasStageBounds
+            ? (pos: { x: number; y: number }) =>
+                  clampPositionToStage(
+                      pos.x,
+                      pos.y,
+                      width,
+                      height,
+                      stageWidth!,
+                      stageHeight!,
+                  )
+            : undefined;
+
+    const handleDragEnd = (e: Konva.KonvaEventObject<DragEvent>) => {
+        const node = e.target;
+        let x = node.x();
+        let y = node.y();
+        if (hasStageBounds) {
+            ({ x, y } = clampPositionToStage(
+                x,
+                y,
+                width,
+                height,
+                stageWidth!,
+                stageHeight!,
+            ));
+            node.position({ x, y });
+        }
+        onUpdate(obj.id, { x, y });
+    };
+
+    const handleClick = (e: Konva.KonvaEventObject<MouseEvent>) => {
+        const node = cornerRadius > 0 ? groupRef.current : shapeRef.current;
+        if (node) {
+            onSelect(obj.id, node, e);
+        }
+    };
+
+    if (cornerRadius > 0) {
+        return (
+            <Group
+                ref={groupRef}
+                id={obj.id}
+                name="canvas-object"
+                x={obj.x}
+                y={obj.y}
+                rotation={obj.rotation || 0}
+                draggable={draggable}
+                clipFunc={clipFunc}
+                dragBoundFunc={dragBoundFunc}
+                onClick={handleClick}
+                onDragEnd={handleDragEnd}
+            >
+                <KonvaImage
+                    x={0}
+                    y={0}
+                    image={image}
+                    width={width}
+                    height={height}
+                />
+                {isSelected && (
+                    <Rect
+                        x={0}
+                        y={0}
+                        width={width}
+                        height={height}
+                        stroke="#3b82f6"
+                        strokeWidth={3}
+                        cornerRadius={cornerRadius}
+                        listening={false}
+                    />
+                )}
+            </Group>
+        );
+    }
 
     return (
         <KonvaImage
@@ -46,44 +124,11 @@ const ImageObject = ({
             strokeWidth={isSelected ? 3 : 0}
             rotation={obj.rotation || 0}
             draggable={draggable}
-            dragBoundFunc={
-                draggable && hasStageBounds
-                    ? (pos) =>
-                          clampPositionToStage(
-                              pos.x,
-                              pos.y,
-                              width,
-                              height,
-                              stageWidth!,
-                              stageHeight!,
-                          )
-                    : undefined
-            }
-            onClick={(e) => {
-                if (shapeRef.current) {
-                    onSelect(obj.id, shapeRef.current, e);
-                }
-            }}
-            onDragEnd={(e) => {
-                const node = e.target;
-                let x = node.x();
-                let y = node.y();
-                if (hasStageBounds) {
-                    ({ x, y } = clampPositionToStage(
-                        x,
-                        y,
-                        width,
-                        height,
-                        stageWidth!,
-                        stageHeight!,
-                    ));
-                    node.position({ x, y });
-                }
-                onUpdate(obj.id, { x, y });
-            }}
+            dragBoundFunc={dragBoundFunc}
+            onClick={handleClick}
+            onDragEnd={handleDragEnd}
         />
     );
 };
 
 export default ImageObject;
-
diff --git a/src/pages/editor/components/tools/VideoShape.tsx b/src/pages/editor/components/tools/VideoShape.tsx
index 57e55f4..1e5dd1e 100644
--- a/src/pages/editor/components/tools/VideoShape.tsx
+++ b/src/pages/editor/components/tools/VideoShape.tsx
@@ -4,6 +4,7 @@ import Konva from "konva";
 import useImage from "use-image";
 import type { ShapeProps } from "./types";
 import { createPortal } from "react-dom";
+import { createRoundedRectClipFunc, getObjectBorderRadius } from "../../utils/borderRadius";
 
 const VideoShape = ({
     obj,
@@ -72,6 +73,8 @@ const VideoShape = ({
 
     const containerWidth = obj.width || 400;
     const containerHeight = obj.height || 300;
+    const cornerRadius = getObjectBorderRadius(obj.borderRadius);
+    const clipFunc = createRoundedRectClipFunc(containerWidth, containerHeight, cornerRadius);
 
     // هم‌تراز با viewer که object-fit: contain دارد
     const imageLayout = useMemo(() => {
@@ -151,10 +154,12 @@ const VideoShape = ({
                     width={containerWidth}
                     height={containerHeight}
                     fill="transparent"
+                    cornerRadius={cornerRadius}
                     stroke={isSelected ? "#3b82f6" : "#666666"}
                     strokeWidth={isSelected ? 3 : (obj.strokeWidth ?? 0)}
                     onClick={handleGroupClick}
                 />
+                <Group clipFunc={clipFunc}>
                 {image ? (
                     <>
                         <Rect
@@ -184,6 +189,7 @@ const VideoShape = ({
                         onClick={handleGroupClick}
                     />
                 )}
+                </Group>
                 <Group
                     name="playButton"
                     onClick={handlePlayClick}
diff --git a/src/pages/editor/utils/borderRadius.ts b/src/pages/editor/utils/borderRadius.ts
new file mode 100644
index 0000000..d69f054
--- /dev/null
+++ b/src/pages/editor/utils/borderRadius.ts
@@ -0,0 +1,33 @@
+import type Konva from "konva";
+
+export const getObjectBorderRadius = (borderRadius?: number): number =>
+  Math.max(0, borderRadius ?? 0);
+
+export const clampBorderRadius = (
+  radius: number,
+  width: number,
+  height: number,
+): number => Math.max(0, Math.min(radius, width / 2, height / 2));
+
+export const createRoundedRectClipFunc = (
+  width: number,
+  height: number,
+  radius: number,
+): Konva.ContainerConfig["clipFunc"] => {
+  const r = clampBorderRadius(radius, width, height);
+  if (r <= 0) return undefined;
+
+  return (ctx) => {
+    ctx.beginPath();
+    ctx.roundRect(0, 0, width, height, r);
+    ctx.closePath();
+  };
+};
+
+export const getCssBorderRadius = (
+  borderRadius: number | undefined,
+  scale: number,
+): string | undefined => {
+  const r = getObjectBorderRadius(borderRadius) * scale;
+  return r > 0 ? `${r}px` : undefined;
+};
diff --git a/src/pages/viewer/components/BookPage.tsx b/src/pages/viewer/components/BookPage.tsx
index b3d9aaf..5331dc4 100644
--- a/src/pages/viewer/components/BookPage.tsx
+++ b/src/pages/viewer/components/BookPage.tsx
@@ -12,6 +12,7 @@ import {
   usesWrappedLayout,
 } from '@/pages/editor/utils/textStyle';
 import { getCssBlurStyle } from '@/pages/editor/utils/shapeBlur';
+import { getCssBorderRadius } from '@/pages/editor/utils/borderRadius';
 import '@/pages/viewer/styles/entranceAnimations.css';
 import { mergeEntranceAnimationStyle } from '@/pages/viewer/utils/entranceAnimationStyle';
 import { getMaskImageStyle, getMaskedLayout } from '@/pages/viewer/utils/maskStyle';
@@ -27,6 +28,7 @@ const getRasterObjectStyle = (
   const scaleY = obj.scaleY ?? 1;
   const width = obj.width != null ? obj.width * scaleX * scale : undefined;
   const height = obj.height != null ? obj.height * scaleY * scale : undefined;
+  const borderRadius = getCssBorderRadius(obj.borderRadius, scale);
 
   return {
     ...baseStyle,
@@ -36,6 +38,7 @@ const getRasterObjectStyle = (
     height: height != null ? `${height}px` : 'auto',
     objectFit: 'fill',
     zIndex: index,
+    ...(borderRadius ? { borderRadius, overflow: 'hidden' as const } : {}),
   };
 };
 
@@ -277,7 +280,17 @@ const BookPage = memo(forwardRef<HTMLDivElement, BookPageProps>(
             />
           );
 
-        case 'video':
+        case 'video': {
+          const videoBorderRadius = getCssBorderRadius(obj.borderRadius, scale);
+          const videoStyle: React.CSSProperties = {
+            ...baseStyle,
+            width: obj.width ? `${obj.width * scale}px` : 'auto',
+            height: obj.height ? `${obj.height * scale}px` : 'auto',
+            objectFit: 'contain',
+            zIndex: index,
+            ...(videoBorderRadius ? { borderRadius: videoBorderRadius, overflow: 'hidden' } : {}),
+          };
+
           if (options.staticMedia) {
             return (
               <video
@@ -288,11 +301,7 @@ const BookPage = memo(forwardRef<HTMLDivElement, BookPageProps>(
                 preload="metadata"
                 style={applyStyle(
                   {
-                    ...baseStyle,
-                    width: obj.width ? `${obj.width * scale}px` : 'auto',
-                    height: obj.height ? `${obj.height * scale}px` : 'auto',
-                    objectFit: 'contain',
-                    zIndex: index,
+                    ...videoStyle,
                     pointerEvents: 'none',
                   },
                   obj,
@@ -314,11 +323,7 @@ const BookPage = memo(forwardRef<HTMLDivElement, BookPageProps>(
               controls
               style={applyStyle(
                 {
-                  ...baseStyle,
-                  width: obj.width ? `${obj.width * scale}px` : 'auto',
-                  height: obj.height ? `${obj.height * scale}px` : 'auto',
-                  objectFit: 'contain',
-                  zIndex: index,
+                  ...videoStyle,
                   pointerEvents: 'auto',
                 },
                 obj,
@@ -335,20 +340,26 @@ const BookPage = memo(forwardRef<HTMLDivElement, BookPageProps>(
               }}
             />
           );
+        }
+
+        case 'audio': {
+          const audioBorderRadius = getCssBorderRadius(obj.borderRadius ?? 8, scale);
+          const audioBaseStyle: React.CSSProperties = {
+            ...baseStyle,
+            width: obj.width ? `${obj.width * scale}px` : `${320 * scale}px`,
+            height: obj.height ? `${obj.height * scale}px` : `${56 * scale}px`,
+            zIndex: index,
+            ...(audioBorderRadius ? { borderRadius: audioBorderRadius, overflow: 'hidden' } : {}),
+          };
 
-        case 'audio':
           if (options.staticMedia) {
             return (
               <div
                 key={obj.id || index}
                 style={applyStyle(
                   {
-                    ...baseStyle,
-                    width: obj.width ? `${obj.width * scale}px` : `${320 * scale}px`,
-                    height: obj.height ? `${obj.height * scale}px` : `${56 * scale}px`,
+                    ...audioBaseStyle,
                     backgroundColor: '#f3f4f6',
-                    borderRadius: `${4 * scale}px`,
-                    zIndex: index,
                     pointerEvents: 'none',
                   },
                   obj,
@@ -365,10 +376,7 @@ const BookPage = memo(forwardRef<HTMLDivElement, BookPageProps>(
               preload="metadata"
               style={applyStyle(
                 {
-                  ...baseStyle,
-                  width: obj.width ? `${obj.width * scale}px` : `${320 * scale}px`,
-                  height: obj.height ? `${obj.height * scale}px` : `${56 * scale}px`,
-                  zIndex: index,
+                  ...audioBaseStyle,
                   pointerEvents: 'auto',
                 },
                 obj,
@@ -385,6 +393,7 @@ const BookPage = memo(forwardRef<HTMLDivElement, BookPageProps>(
               }}
             />
           );
+        }
 
         case 'link': {
           const isInternalLink = obj.linkUrl?.startsWith('page://');
diff --git a/src/pages/viewer/utils/dataTransformer.ts b/src/pages/viewer/utils/dataTransformer.ts
index d869901..8cc1d6f 100644
--- a/src/pages/viewer/utils/dataTransformer.ts
+++ b/src/pages/viewer/utils/dataTransformer.ts
@@ -127,7 +127,7 @@ export function transformViewerDataToPages(data: ViewerData): PageData[] {
       if (obj.type === "rectangle" && obj.shapeType) {
         baseObject.shapeType = obj.shapeType as EditorObject["shapeType"];
       }
-      if (obj.type === "rectangle" && obj.borderRadius !== undefined) {
+      if (obj.borderRadius !== undefined) {
         baseObject.borderRadius = obj.borderRadius;
       }
       if (obj.type === "rectangle" && obj.blur !== undefined) {