Resize Image
Common size presets, percentage scaling, aspect-ratio lock and DPI print-size reference
Drop image here, or click to select
Supports JPG, PNG, WebP formats,Max Size 20MB
Resizing, please wait...
Size settings
By pixels
By percentage
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🔒 Aspect ratio locked (changing one side auto-calculates the other)
Print-size reference appears here after you upload an image
🔒 Processed locally in your browser, not uploaded
About the Resize Tool
Free online resize tool with built-in presets for social media, ID photos and general use, pixel or percentage scaling, aspect-ratio lock and DPI print-size calculation; processed locally to protect privacy.
Main Features
- Common size presets:One-click presets for WeChat avatar, Xiaohongshu, Douyin, Bilibili, official-account covers, 1-inch/2-inch, etc.
- Scale by percentage:Enter a scale ratio to auto-calculate output pixels
- Lock / free ratio:Toggle the lock icon in one click to avoid distortion
- DPI print reference:Show physical print size in real time based on pixels and DPI
- Local Processing:Done via Canvas in the browser, not uploaded to a server
How to Use
- Upload the image to resize
- Choose a preset or manually enter width/height / scale
- Click "Start resize" and download once the preview is satisfactory