Change width and height dimensions in pixels or percentages with aspect ratio lock and high-definition smoothing directly in your browser.
Select or drag your image into the resizer.
Type target width and height in pixels or select a percentage preset. Keep "Lock Aspect Ratio" checked to preserve proportions.
Click "Resize Image" to preview and download your new image file.
Automatically recalculates height when width changes to prevent stretching.
One-click scaling buttons for 25%, 50%, and 75% downscaling.
Applies smooth interpolation so resized images stay crisp without jagged pixelation.
Scale your photos, banners, and digital graphics to exact dimensions for social media, websites, or passport/ID applications. Our Image Resizer allows you to set width and height in pixels, lock the aspect ratio to avoid distortion, or choose quick percentage presets (25%, 50%, 75%). Everything runs locally with high-quality bilinear interpolation.
As long as the "Lock Aspect Ratio" toggle is enabled, the height and width scale proportionally, ensuring zero distortion.
You might also find these complementary free tools useful:
Crop photos with interactive drag handles, aspect ratio presets (Square 1:1, 16:9, 4:3, 9:16, Freeform) directly in your browser.
Reduce image file size by up to 85% while preserving visual clarity directly in your browser without uploading your photos.
Fix sideways or upside-down photos. Rotate 90° clockwise, counter-clockwise, or flip horizontally and vertically in seconds.
Convert JPG and JPEG photos to clean, lossless PNG format directly in your browser with instant download.