设计 · 工具
图像大小调整器
保持宽高比的同时调整图像大小，支持批处理。
Source image
Drag image here
or click to upload
or click to upload
Width
px
Height
px
Format
Quality: 90%
New file size
0 KB
Original0x0 (0 B)
Resized0x0 (0 B)
Savings0%
PNG · 在您的浏览器中生成，不会上传任何内容
Frequently asked questions
What is aspect ratio?
Aspect ratio is the proportional relationship between an image's width and height. Maintaining it during resizing prevents distortion and stretching.
Can I resize multiple images at once?
Yes. This tool supports batch processing, allowing you to resize multiple images efficiently in a single session.
What image formats are supported?
The tool supports JPEG, PNG, WebP, GIF, and BMP formats for both input and output conversion.
Does resizing reduce image quality?
Quality depends on your settings. Use lossless compression to preserve all details, or reduce quality for smaller file sizes with minimal visible loss.
What if I only set the width?
If you keep aspect ratio enabled and set only width, the height is automatically calculated proportionally. The image won't distort.
Stay in the loop
New tools, in your inbox.
Get an occasional email when we ship new calculators and updates. No spam, unsubscribe anytime.
We respect your privacy. No spam, ever.