Image Resizer
Resize images by pixels or percentage with aspect ratio lock.
Drop an image to resize
Resize by pixels or percentage • Processed locally in browser
Zero-Upload In-Browser Execution GuaranteeVerified Local RAM
Processed directly on your device. Nothing is uploaded. This tool uses native Web APIs, Canvas, and client-side WebAssembly to process your files inside local browser RAM. No server receives your file, no telemetry logs your data, and no account is required.
Key Capabilities
- Resize by width and height in pixels or by percentage scale
- Maintain aspect ratio toggle
- Bicubic smoothing via high-fidelity browser Canvas rendering
- Instant download with new dimensions displayed
How To Use
Upload Image
Select or drop your photo into the tool.
Specify Dimensions
Enter target width/height or adjust percentage slider.
Process & Save
Click Resize and download your scaled image.
Frequently Asked Questions
Will resizing reduce image quality?
Scaling down preserves sharpness using high-quality browser downsampling. Scaling up significantly may introduce softness as pixels are interpolated.
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