Open your videos.
Choose a resolution, and a shape if you want square or vertical.
Press Resize and save.
No. Everything happens in your browser, using your device's own video chip where it can. Your videos never leave your device.
No. Choose Crop to fill the new shape, or Add bars to keep the whole picture.
Yes in Safari, and in Chrome or Edge on Mac and Windows. Some other browsers can't read the HEVC video iPhones record; the page will say so if that happens.
Family photos, ID pictures and screenshots stay on your phone or computer from start to finish. Even where a photo was taken stays private.
How it stays privateFind the right tool for your photos, videos and sound.