This is a powerful image manipulation tool that allows you to achieve many results, as we have already explored in our blog. You can compress an image by solely using the HTML element. Otherwise, keep following this step-by-step tutorial and learn how to build the demo application. Resize an image before send it to the server Step 1: Define a file input type in HTML Step 2: Define a function to resize the image in javascript Step 3. Then, you can try the demo application by opening the index.html file in your browser.
You can clone the GitHub repository that supports this article with the following commands: git clone By doing so, you can avoid uploading large images, saving the end-user time and money. In other words, you want to reduce either its size or quality or both. Since the speed of the average network has not improved at the same pace, it is essential to compress the images before uploading them.Ĭompressing is about downscaling an image. Consequently, their file size has grown as well. Smartphones cameras have become increasingly accurate and enhanced their photo quality for years. It can accept three, five, or nine parameters and has the following syntax. We can use it to resize and crop our images by passing an appropriate number of arguments. Similar to our previous guide on resizing images, and the one on drawing on images, you can accomplish everything with the HTML5 element and we will involve any external libraries for this. The drawImage () method of the canvas API will have an important role to play here. In this article, you will learn to compress an image in JavaScript and then upload it to Imgur.
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