Image Tools
Image Resizer
Resize images to any dimensions or scale.
What this tool does
Resize photos for social media, blog headers, or e-commerce listings in seconds. Pick exact pixel dimensions or scale by percentage, and download the result instantly.
Why it matters
Image Resizer saves you time and removes guesswork from everyday image tools work. Pixel-perfect output — and because everything runs in your browser, your data stays private and results are instant.
- Pixel-perfect output
- Maintains aspect ratio (optional)
- Browser-only
How to use
- Drop your image.
- Enter new dimensions.
- Download.
Example output
An optimized image preview with new dimensions and file size shown next to a Download button.
Real-world use cases
- • Social media images
- • Email signatures
- • Product listings
Tips & best practices
- • Resize before compressing for best quality
- • Keep aspect ratio to avoid distortion
- • Standard Instagram post is 1080×1080
Frequently asked questions
Does upscaling lose quality?
Yes — algorithmic upscaling can't add detail that isn't there.
Can I resize by percentage?
Yes, toggle to percentage mode.
What's the max output size?
Limited by browser memory, but most devices handle up to 8K.
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