How to Overlay Images in the Browser with Canvas Overlaying one image on top of another is a common task in web development. You might need it when building a watermark tool, a simple image editor, a product preview feature, or a quick design workflow where users can place a logo, sticker, or transparent PNG on top of a base image. In this post, I’ll walk through a simple way to overlay images in the browser using the Canvas API. Common use cases Image overlay is useful in many small but practical scenarios: Adding a watermark to an image Placing a logo on a product mockup Combining a transparent PNG with a background image Creating simple social media graphics Previewing how one image looks on top of another Building lightweight browser-based image editing tools If you want to build this feature into your own web app, Canvas is a good starting point.…