Image Tools
Image Resizer
FreeNo SignupPrivate — runs in your browser
Resize images to exact dimensions or by percentage online for free. Maintain aspect ratio and quality for any size requirement. No signup required.
What is Image Resizer?
Need to fit an image to specific dimensions for social media, your website, or print? Our free Image Resizer lets you change image dimensions by exact pixels or percentage while maintaining quality. Lock aspect ratio for proportional scaling or set custom dimensions — all processed locally in your browser.
How to Use Image Resizer
- 1Upload your image
- 2Enter new width and/or height
- 3Toggle aspect ratio lock if needed
- 4Download the resized image
Key Features & Benefits
Resize by exact pixels or percentage
Aspect ratio lock for proportional scaling
Preview before downloading
No quality loss for downscaling
Frequently Asked Questions
Can I maintain aspect ratio?
Yes, aspect ratio lock is enabled by default. Change one dimension and the other adjusts automatically.
What's the maximum size?
You can resize to any dimensions your browser can handle, typically up to 10000x10000 pixels.
Does resizing reduce quality?
Downscaling preserves quality well. Upscaling beyond original dimensions may introduce some softness.