Image Resizer

Resize images to custom dimensions while maintaining aspect ratios.

About Image Resizer

Resize images to specific dimensions easily. This tool is perfect for preparing assets for web design, social media posts, or optimizing file sizes.

How to use

Upload your image, specify the exact width and height in pixels, choose whether to maintain the aspect ratio, and instantly download the resized version.

Why use this tool?

Client-side resizing is faster and more secure than cloud-based alternatives, allowing you to batch process or tweak dimensions without network latency.

Frequently Asked Questions

Will resizing reduce the image file size?

Yes. A smaller pixel dimension directly reduces file size. Resizing a 4000×3000 photo to 800×600 reduces it to roughly 4% of the original pixel count, dramatically shrinking the file.

Can I resize to a specific DPI for print?

DPI is a print concept, not a pixel concept. Web images are defined by pixel dimensions. For a 300 DPI print at 4 inches wide, resize to 1200px wide.

Does aspect ratio lock prevent distortion?

Yes. With aspect ratio lock enabled, changing width automatically updates height proportionally, ensuring your image is never stretched or squashed.

Is Image Resizer free to use?

Yes, Image Resizer is completely free to use with no account, subscription, or hidden fees required — ever.

Does my data get uploaded to a server?

No. Image Resizer processes everything directly inside your browser using modern Web APIs. Your data is never sent to any server, ensuring complete privacy.