Change a PNG's Aspect Ratio
Reshape an image to a target aspect ratio — 16:9 for video, 4:3 for slides, 1:1 for a square. The width is kept and the height adjusted to match the ratio, stretching the image to fit. Runs in your browser; nothing uploads.
Drop images here
Multiple files allowed
Stretch vs. crop vs. pad
This tool stretches to the ratio, keeping every pixel but distorting proportions — quick and simple when a little distortion is fine. If you'd rather not distort, crop to the ratio (e.g. Square for 1:1) or pad to it with Fit in a rectangle, which preserves the shape and adds transparent bars.
FAQ
How do I make an image 16:9?
Enter 16 and 9 above and click Apply — the height is set so width:height equals 16:9. Runs in your browser.
Will it distort my image?
It can, since it stretches to the ratio. To avoid distortion, crop or pad to the ratio instead (see above).