⚡FreeToolJetFTJ

Image Resizer

Resize images online for free. Set custom dimensions, lock aspect ratio, choose output format, and download instantly. No signup required.

拖放图片到此处，或点击选择文件

支持 PNG, JPEG, WebP, GIF 等格式

Related Articles

DesignerMay 24, 2026

How to Resize Images for Web, Social Media & Print — Aspect Ratios & Best Practices

Learn how to resize images for different use cases — web, social media, print — with correct aspect ratios, dimensions, and our free image resizer tool.

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