Image Resizer
Resize images by pixels or presets. Maintain aspect ratio or set custom dimensions.
Drop your image here, or click to browse
Supports JPG, PNG, WebP, GIF, SVG, BMP • Paste from clipboard
How Does This Work?
Images are resized using the HTML5 Canvas API with bicubic-like interpolation built into your browser. Lock aspect ratio to prevent distortion, or unlock for custom dimensions. All processing is done locally.
Frequently Asked Questions
Will resizing reduce image quality?
Enlarging images beyond their original size can reduce quality. Shrinking images generally maintains quality. For best results, resize down rather than up.
What output format is used?
Resized images are output as PNG to preserve quality. If you need JPEG, use our Image Compressor after resizing.
Can I resize to exact social media dimensions?
Yes! Use the presets or enter custom dimensions. For platform-specific sizes, try our Social Media Image Resizer.