How to use Image Resizer
Load or drop an image, enter the target width or height, keep or unlock the aspect ratio, resize it on the live canvas and download the PNG.
What the tool does
Resize an image to exact pixel dimensions, preserve or change its aspect ratio, preview the result and download the resized file.
Supported inputs
A browser-supported image file, plus the dimensions, quality, crop or format options displayed by the tool.
Actual output
A visual preview and downloadable image file in the format offered by the tool.
Example
Resize a 1920 × 1080 image to 1200 pixels wide while keeping its original proportions.
Privacy and processing
Image processing runs in the browser where the interface states that local processing is supported.
Limitations
Resizing happens locally in the browser. Very large source images may use substantial memory.
Common mistakes
Check that the selected input type, units and output format match the task. Do not discard the source before opening the result, and do not treat a preview, estimate or converted file as verified until you have reviewed it.
Frequently asked questions
What can I use Image Resizer for?
Resize an image to exact pixel dimensions, preserve or change its aspect ratio, preview the result and download the resized file.
What input does Image Resizer accept?
A browser-supported image file, plus the dimensions, quality, crop or format options displayed by the tool.
What should I check after using Image Resizer?
Resizing happens locally in the browser. Very large source images may use substantial memory.
Related tasks and guides
- Image Compressor — Compress JPG, PNG and WebP images in your browser and compare the file-size savings.
- Crop Image — Select the useful part of an image and export the cropped result.
- Image to WebP — Convert JPG, PNG and other browser-supported images to compact WebP files.
- Google Play App Icon Generator — Create standard Google Play icon sizes or separate adaptive foreground and background layers, then download the selected pack as one ZIP.