Resize Image Online
Resize images to exact dimensions or by percentage in your browser. Lock aspect ratio to prevent distortion. Supports batch resizing and all major image formats.
Drop an image or click to browse
JPG, PNG, WebP, BMP, GIF
Ctrl+VPaste
100% private — edited entirely in your browser
How to Use Resize Image Online
- Upload your image by dragging, clicking, or pasting
- Select the resize tool and enter new dimensions or choose a percentage preset
- Toggle aspect ratio lock on or off as needed
- Download the resized image in your preferred format
Features
- Resize by exact pixel dimensions (width x height)
- Scale by percentage — 25%, 50%, 75%, 150%, 200% presets
- Lock aspect ratio to prevent stretching or distortion
- Live preview shows the resized result before downloading
- Supports JPG, PNG, WebP, BMP, TIFF, and GIF input
- Export as PNG, JPG, or WebP with quality control
Frequently Asked Questions
- How do I resize an image without losing quality?
- Export as PNG for lossless output. When downsizing, quality loss is minimal. When upsizing significantly, consider our AI-powered upscaler for sharper results.
- Can I resize to specific pixel dimensions?
- Yes. Enter the exact width and height in pixels. With aspect ratio locked, changing one dimension automatically adjusts the other.
- What percentage presets are available?
- Common presets include 25%, 50%, 75%, 150%, and 200%. You can also type any custom percentage.