It depends on what fits best for your blog or website. Accepted File Types : .pdf, .doc[x], .xls[x], .txt Multiple images upload with resizing, thumbnails and image editor (crop/rotate) The uploader resizes the uploaded image (960px * 720px), then generates large, medium & small thumbnails for each uploaded image. Found 80 Featured Snippets matching "file upload": 203.3K 282 . The following is a guest post by Osvaldas Valutis. I will demonstrate 17+ Bootstrap file uploads to enable you to get the large portion of your site. Bootstrap File Upload Design Examples with Source Code Searching for various sources to give your needs takes additional time than what you might suspect. Collecting files directly through a form on your site is great for acquiring documents such as resume, portfolios or images and videos such as screenshots and screen-captures through customer support forms. Bootstrap Icons. var x = document.getElementById("myFile"); Try it Yourself » Tip: You can also access by searching through the elements collection of a form. Input File - Popover Preview Image . Tools used : Spring Boot 1.4.3.RELEASE; Spring 4.3.5.RELEASE; Thymeleaf You can access an element with type="file" by using getElementById(): Example. not really, I asked how to change css property content, because that is where Bootstrap 4 has the text is renders in this approach. Author Osvaldas Valutis . 11 Comments . Within the Bootstrap Modal create your file element in the