Image Tools100% In-Browser Privacy
Image Resizer
Change image dimensions without quality loss. Drag and drop PNG, JPG, or WebP files, specify width or height, and download immediately.
Click to upload or drag & drop an image
Supports PNG, JPG, JPEG, and WebP (Up to 25MB). Processed 100% in your browser.
How to Use Image Resizer
- 1Upload ImageDrag and drop your image file or click to browse.
- 2Adjust DimensionsSet your target width/height or choose a percentage reduction.
- 3Download ImageClick "Download Resized Image" to save the file to your computer.
Key Capabilities
- Resize by custom Width & Height (pixels) or Percentage scale (25%, 50%, 75%)
- Lock Aspect Ratio toggle to prevent image distortion
- Real-time image dimensions display
- 100% in-browser HTML5 Canvas processing (zero server upload)
- Instant high-resolution image download
Frequently Asked Questions
Are my images uploaded to Tooluzo servers?
No! The image resize operation happens entirely inside your browser memory using HTML5 Canvas. Your photos never leave your device.