图像大小调整器

将图像调整为精确尺寸或按百分比缩放。包含Web和打印的常用预设。

image resizerresize photochange image sizescale imagedimension changer

拖放文件到此处，或点击浏览

Supports image files: JPG, PNG, GIF, WebP, BMP, SVG, TIFF

Performance

Web Worker Enabled

Using Web Worker for better performance (prevents UI freezing with large images)

⚠️ Web Worker is not available in this browser. Falling back to main thread.

Maintain aspect ratio

Width

Height

Preset Sizes

输入

输出

隐私： 此工具完全在您的浏览器中运行。数据不会发送到我们的服务器。我们不存储、分享或访问您在此处理的任何信息。

示例

Example 1

Resize images for website banners (1920x1080)

Click "Example 1" above to load

Example 2

Create thumbnails from large photos

Click "Example 2" above to load

Example 3

Prepare images for printing (300 DPI)

Click "Example 3" above to load

A: Yes, option to lock aspect ratio or stretch to exact dimensions.

A: High-quality Lanczos resampling for smooth results.

A: Yes, resize multiple images with same or individual settings.