How to Use the Image Resizer
Upload any image and its original dimensions will automatically fill in. Enter your target width or height, and the other value updates automatically when Lock Aspect Ratio is enabled — preventing distortion. Great for resizing images for social media, email attachments, web optimization, or any use case where a specific resolution is needed. All processing happens in your browser, so no files are ever sent to a server.
Frequently Asked Questions
When enabled, changing the width automatically adjusts the height (and vice versa) to keep the original proportions, so your image won't look stretched or squished.
Up to 10,000 × 10,000 pixels is supported. Very large resolutions may slow down processing due to browser memory limits.
Yes. PNG files are resized while preserving their transparent (alpha) areas. If saved as JPG, transparent areas will be filled with white.