Image Resizer
Resize images to specific dimensions while maintaining aspect ratio or custom sizes. This tool supports various image formats including JPEG, PNG, GIF, and WebP. Perfect for optimizing images for web, social media, or thumbnails.
Click or drag to upload image
PNG, JPG, WebP up to 10MB
When to use this tool
You need to resize images for web or social media.
You want smaller dimensions without changing the file format.
Examples
Resize for thumbnail
Input
Original: 1600x1200 Target: 400x300
Output
Resized image: 400x300
Maintain aspect ratio for crisp results.
Developer use cases
Create thumbnails for dashboards or lists.
Resize product images to match CMS requirements.
Common mistakes to avoid
Upscaling small images and losing clarity.
Ignoring aspect ratio and causing distortion.
Format and behavior notes
Supports JPEG, PNG, GIF, and WebP.
Aspect ratio can be locked to prevent stretching.
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Frequently Asked Questions
How do I resize an image?
Upload an image file, specify the desired width and/or height, and choose whether to maintain aspect ratio. The resized image will be generated instantly.
What image formats are supported?
The tool supports JPEG, PNG, GIF, WebP, and other common image formats.
Is my image data secure?
Yes, all image processing happens entirely in your browser. Your images never leave your device, ensuring complete privacy and security.