Images

Processed locally in your browser

Image Resizer

Quickly resize images to exact widths and heights, lock aspect ratios, and convert output formats in your browser.

How to Use Image Resizer

1

Select an image file from your device.

2

Enter new pixel dimensions (width/height) or choose a percentage scaling.

3

Toggle 'Lock Aspect Ratio' to prevent image distortion.

4

Click 'Download' to save your resized image.

What This Tool Does

Performs bicubic resampling on an offscreen canvas to scale raster images cleanly without pixelation or aspect ratio distortion.

Common Use Cases

Sizing images for social media banners, YouTube thumbnails, and profile pictures.
Standardizing product image dimensions across a catalog.
Preparing responsive image variants for web developers.
Privacy & Local-First Processing

Operates entirely on client hardware without transmitting images to cloud servers.

Frequently Asked Questions

Will resizing distort my photo?

Keep 'Lock Aspect Ratio' checked to ensure width and height scale proportionally without stretching.