Processed locally on your device
Image Resizer
Resize images by exact pixels or percentage scaling with locked aspect ratios and standard presets for social media and web display.
Drop image to resize
or choose a file
JPG, PNG, and WebP images up to 50MB
How to use Image Resizer
- 1
Choose or drag your image into the resizer.
- 2
Specify target width and height, or pick a percentage preset.
- 3
Optionally lock aspect ratio to avoid distortion.
- 4
Process and download your resized file immediately.
Frequently asked questions
Everything you need to know about processing files locally with Toolio.
Downscaling preserves sharpness through bicubic browser resampling. Upscaling beyond the original resolution may introduce softness.