R
Resizzer
图像工具 100% 浏览器本地隐私保护

免费在线图片裁剪工具

轻松将图片裁剪为社交平台标准尺寸或自定义尺寸。支持旋转、翻转和多种格式导出。

Drag and drop an image here, or click to browse

Supports JPG, PNG, WebP up to 50MB

or press Ctrl+V to paste from clipboard
如何使用此工具

Three simple steps to process your files

01

Upload or Paste Image

Drag and drop your JPG, PNG, or WebP photo into the canvas area, or paste directly with Ctrl+V.

02

Adjust Crop Box & Orientation

Select standard aspect ratios (1:1, 16:9, 4:3, 9:16) or free-form, then adjust zoom and rotation as desired.

03

Export Cropped Photo

Choose your preferred file format (JPG, PNG, WebP) and quality level, then download your cropped image instantly.

核心功能亮点

Engineered for speed, fidelity & security

Aspect Ratio Presets

Instant presets for social avatars (1:1), YouTube thumbnails (16:9), Instagram stories (9:16), and print standards.

Free-Form Canvas Cropping

Freely resize crop boundaries with intuitive draggable corner and edge handles.

90-Degree Rotation & Flip

Rotate photos clockwise or counter-clockwise and flip horizontally or vertically prior to cropping.

Zoom & Framing Control

Zoom in and pan smoothly across the canvas to capture the exact detail you need.

High-Fidelity Resampling

Cropped pixels are rendered using smooth bicubic canvas interpolation for maximum image sharpness.

100% Client-Side Privacy

Image processing runs entirely within your browser memory. Your images are never uploaded or stored.

FAQ

常见问题解答

What aspect ratios are supported?
You can choose between Free-form, 1:1 (Square), 16:9 (Widescreen), 4:3 (Standard), 9:16 (Story/Reels), 3:2, and 2:3.
Can I rotate and flip my image before cropping?
Yes. The cropper provides one-click 90-degree rotations in both directions as well as horizontal and vertical flipping.
Will cropping reduce my photo resolution?
Cropping extracts the native pixels within your chosen frame without unnecessary downsampling, preserving maximum visual detail.
Are my photos uploaded to any server?
No. All cropping and canvas manipulations take place strictly in your local browser sandbox.
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