Online Image Resizer
Resize, compress, and change image dimensions 100% in your browser.
Image Resizer
How to Use This Tool
Step-by-Step Guide
1. Upload Image: Click "Choose File" and select an image (PNG, JPG, etc.). A preview of your original image will appear.
2. Set Dimensions: Enter the desired "Width" and "Height" in pixels.
3. Lock Aspect Ratio: Check the "Lock Aspect Ratio" box (default) to prevent your image from being stretched. Changing one value will automatically update the other.
4. Resize: Click the "Resize Image" button.
5. Download: A preview of the resized image will appear with a "Download" button.
Why Resize Images?
Resizing an image is one of the most common tasks for web developers, social media managers, and bloggers. Large, high-resolution images can slow your website down to a crawl.
- **Web Performance:** Smaller images load faster, improving your website's speed and SEO ranking.
- **Social Media:** Platforms like Instagram (1080x1080) or Twitter (1600x900) have optimal sizes. Resizing ensures your image isn't cropped or compressed badly.
- **Email:** Large images can get emails flagged as spam or fail to send. Resizing makes them small and email-friendly.
Your Privacy is Guaranteed
This tool is 100% client-side. That means your images are **never uploaded to our server**. All resizing happens directly in your web browser on your own computer. Your files stay private and secure.