Image Resizer
Resize images by pixels or percentage, keep aspect.
100% Client-Side · In-Memory Only
Interactive Tool Workspace
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How to Use Image Resizer
- Upload an image to inspect its original resolution.
- Enter target width or height in pixels, or use the percentage slider (e.g. 50%).
- Toggle "Lock ratio" to maintain aspect ratio automatically.
- Click "Resize & download" to save the scaled image.
Features & Guarantees
- High-quality bicubic canvas image smoothing.
- Quick one-click presets for 25%, 50%, and 75% downscaling.
- Choose output format: PNG, JPEG, or WebP.
Frequently Asked Questions
Does resizing degrade image quality?
Downscaling using high-quality image smoothing maintains excellent sharpness while significantly reducing file dimensions and byte weight.