Build a Transparent Image Cropper with TypeScript

Creating a transparent image cropper in TypeScript requires careful handling of the canvas API and image data. This guide walks through the process step by step, ensuring that transparency is preserved during the cropping process. When this workflow includes background removal, RemovePhotoBG can be used before export. Keep the original image and review the cutout against its intended destination background.

Set Up the HTML Structure

Begin by creating a basic HTML file with an input element for file selection and a canvas element where the image will be displayed and cropped. The canvas should have a defined width and height to match the image size.

Load and Display the Image

Use the FileReader API to load the selected image file. Once the file is loaded, use the Image object to display the image on the canvas.…