Image Resizer
Resize images to exact dimensions or percentage
Drag & drop an image here
or click to select a file
About Image Resizer
Resize images to exact pixel dimensions or by percentage. Lock aspect ratio, choose output format, and download instantly — no upload to any server.
- Resize to exact pixel dimensions or percentage scale
- Lock aspect ratio to prevent distortion
- Supports PNG, JPEG, WebP, GIF, and BMP output
- Side-by-side before and after dimension display
- All processing done locally via Canvas API
Everything runs in your browser — your data never leaves your device.
Share:
How to Use Image Resizer
- Upload or drag and drop your image
- Set the desired width and height or percentage
- Click Resize and download the result
Frequently Asked Questions
What image formats are supported?
PNG, JPEG, WebP, GIF, and BMP. Any format your browser can display.
Is my image uploaded to a server?
No. All processing happens locally in your browser using the Canvas API. Your image never leaves your device.
Can I maintain the aspect ratio?
Yes. Lock the aspect ratio to automatically calculate the other dimension when you change width or height.
