Archive For October 2022

Resize images before uploading in Blazor Web Assembly

calendar_today 31 October 2022 14:02

ASP.NET Core Blazor

So, you allow users to upload images to the server from your Blazor WASM app, but you want to constrain the actual dimensions of the image for some reason. Rather than ask the user to edit the image prior to uploading, you decide to to take care of applying this requirement within the application. And you further decide to do any resizing in the browser prior to uploading so that the resulting upload is smaller and you don't have to waste server resources on the procedure. In this article, I take a look at how to do that, and how to get the dimensions of an image file.