Limit file format when using <input type=“file”>?

Question

I\'d like to restrict the type of file that can be chosen from the native OS file chooser when the user clicks the Browse button in the

Answer 1

As mentioned in previous answers we cannot restrict user to select files for only given file formats. But it's really handy to use the accept tag on file attribute in html.

As for validation, we have to do it at the server side. We can also do it at client side in js but its not a foolproof solution. We must validate at server side.

For these requirements I really prefer struts2 Java web application development framework. With its built-in file upload feature, uploading files to struts2 based web apps is a piece of cake. Just mention the file formats that we would like to accept in our application and all the rest is taken care of by the core of framework itself. You can check it out at struts official site.