Image Resizer
Resize images in your browser. Free online image tool.
All processing happens in your browser. Your data never leaves your device.
How to Use
- 1Upload an image.
- 2Set target dimensions.
- 3Choose format and quality.
- 4Click Resize and download.
What is Image Resizer?
Image Resizer resizes images directly in your browser using Canvas API. No data is uploaded to any server. Supports PNG, JPEG, and WebP output.
Key Features
- Browser-based image resizing
- Keep aspect ratio option
- PNG, JPEG, WebP output
- Quality control for lossy formats
- 100% client-side, no upload
Image Resizer vs Other Tools
| Feature | Image Resizer | Other Tools |
|---|---|---|
| Client-side processing | Yes | Varies |
| No signup required | Yes | Often required |
| Privacy-first (no data sent) | Yes | Rarely |
| Free & unlimited | Yes | Often limited |
| No ads interruption | Yes | Often no |
FAQ
How do image tools work?
Image tools use the HTML5 Canvas API and browser-native image processing to resize, convert, and manipulate images directly in your browser without uploading to any server.
Are uploaded images stored?
No. Images are processed entirely in your browser's memory and are never uploaded to any server. Once you close the tab, all image data is gone.
What image formats are supported?
Most tools support PNG, JPEG, WebP, and SVG input. Output format options depend on the specific tool.