Preview Image Before Upload in HTML CSS & JavaScript
Hello readers, Today in this blog you'll learn how to Preview Image Before Upload or File Upload Button using HTML CSS & JavaScript. Earlier I've shared a blog on how to Check Email Validation in JavaScript. And now I'm going to create a File Upload Button.

In this program, at first, on the webpage, there is a file preview container with a cloud icon and an upload button. When you click on the choose a file button there will open a new window to select an image or file. After selecting the file, the preview of that file is shown on the preview container. And when you hover on the file, the name of that file will appear on the bottom side of the preview container. There is also shown a cancel button (cross-sign) and when you click on that button, the preview file which you selected will be hidden or canceled.

This program is only possible with the JavaScript files object. The files property returns a FileList object, describing the file or files selected with the file upload button. Through the FileList object, you can get the name, size, and contents of the files. This property is read-only.

If you're feeling difficult to understand what I am saying. You can watch a full video tutorial on this program (Preview Image Before Upload or File Upload Button).

Video Tutorial of Preview Image Before Upload

In the video, you have seen how this program actually works and I hope you have understood the basic codes behind creating this program. As you already know, this upload and preview features of this program are only possible with JavaScript. You can also create a simple or default file upload button using only HTML tag (<input> type file).

If you're a beginner and you know only HTML & CSS then you can use this program on your website, project, and HTML page or if you know JavaScript then you can add advanced features in this program and can take this program at the next level.

If you like this program (Preview Image Before Upload) and want to get source codes. You can easily get the source codes of this program. To get the source codes you just need to scroll down. 

You might like this:

Preview Image Before Upload or File Upload Button [Source Codes]

To create this program (Preview Image Before Upload). First, you need to create two Files one HTML File and another one is CSS File. After creating these files just paste these following codes in your file. You can also download the source code files through the given link. Click here to download source code files.



Thanks for visiting, Keep visiting.


We welcome relevant and respectful comments. Off-topic or spam comments may be removed.

  1. Bro but i dont get that logo type thing which comes before choosing image

  2. Thanks I Got Icon. Best Coding Sir

  3. hello sis, my name is arif from Indonesia, i am in grade 3 at junior high school since the pandemic i have not had any material about coding from my teacher since i got to know the nepal coding channel i have quite memorized the website design thank you sis


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