![Add allowed file extensions as 'accept' attribute for file uploads to improve UX [#3031371] | Drupal.org Add allowed file extensions as 'accept' attribute for file uploads to improve UX [#3031371] | Drupal.org](https://www.drupal.org/files/issues/2022-02-25/after2.png)
Add allowed file extensions as 'accept' attribute for file uploads to improve UX [#3031371] | Drupal.org
![html - Input type=File "Accept" property with multiple values does not working in Chrome - Stack Overflow html - Input type=File "Accept" property with multiple values does not working in Chrome - Stack Overflow](https://i.stack.imgur.com/vDlou.png)
html - Input type=File "Accept" property with multiple values does not working in Chrome - Stack Overflow
![Make <input type="file"> reject dropped file(s) that don't match "accept" attribute · Issue #4216 · whatwg/html · GitHub Make <input type="file"> reject dropped file(s) that don't match "accept" attribute · Issue #4216 · whatwg/html · GitHub](https://user-images.githubusercontent.com/495429/49168712-64396000-f338-11e8-96a5-a5d166427a6c.png)
Make <input type="file"> reject dropped file(s) that don't match "accept" attribute · Issue #4216 · whatwg/html · GitHub
![The pdf files in my mobile are not uploading when im choosing to upload using the attach icon - Google Classroom Community The pdf files in my mobile are not uploading when im choosing to upload using the attach icon - Google Classroom Community](https://storage.googleapis.com/support-forums-api/attachment/message-86470270-16572201146427091396.jpg)