调整图片大小
Resize images online for free. Scale photos by width and height while maintaining aspect ratio. Perfect for optimizing images for web, email, or social media. Fast and easy to use.
或拖拽图片到此处
Common Image Sizes
HD (720p)
1280 × 720 px
1280 × 720 px
Full HD (1080p)
1920 × 1080 px
1920 × 1080 px
4K UHD
3840 × 2160 px
3840 × 2160 px
Web Optimized
800 × 600 px
800 × 600 px
How to Resize Images
📤 Step 1: Upload
Click "Choose image" or drag and drop your image file
📐 Step 2: Set Size
Enter desired width and height. The aspect ratio is maintained automatically to prevent distortion
💾 Step 3: Download
Preview the resized image and download instantly
Why Resize Images?
- Web Optimization: Resize images to reduce file size and improve website loading speed
- Email Attachments: Resize images to meet email size limits and ensure fast delivery
- Social Media: Resize images to meet platform-specific dimension requirements
- Print Media: Resize images to exact dimensions needed for printing
- Storage Savings: Smaller images take up less storage space on devices and servers