Resize images
Image Resizer
Resize JPG, PNG, and WebP images to custom pixel dimensions while preserving aspect ratio when you want it.
Drop your image here
or
JPG, PNG or WebP · one image · up to 40 MB / 30 megapixels
Ready to process.
✓
Image ready
Processing complete.
Before—
After—
Dimensions—
Change—
Image metadata such as EXIF/GPS data may be removed when a new image is encoded.
How to use this tool
- Choose or drop one supported image.
- Review the image details and adjust the available settings.
- Press Resize Image.
- Preview the result and download the new image to your device.
Privacy & limits
Processing is designed to happen locally on your device. Files are not submitted to UnitConverterHQ servers. Maximum input is 40 MB and 30 megapixels per image in this release. Re-encoding can remove EXIF, GPS, DPI, and other metadata.
Frequently Asked Questions
View sitemap →Can I keep the original aspect ratio?
Yes. Keep aspect ratio is enabled by default so changing the width automatically calculates the matching height.
Does resizing upload my image?
No. Resizing happens in your browser.