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doctor Brain

В этой небольшой статье мы разберем вариант создания pdf-файла из данных HTML-страницы с помощью клиентской библиотеки html2pdf.js.

Для выполнения задчи нам понадобятся:

HTML-страница может содержать любой контент, который нужно сохранить в pdf-формате. Обычно это электронные билеты, счета, инвойсы и иные документы, в том числе qr-код.

После размещения необходимых данных на странице нужно подключить библиотеку html2pdf.js .

Саму библиотеку можно скачать и разместить на своем веб-сервере:

Также можно воспользоваться одним из многочисленных CDN-сервисов. Например, cdnjs:

https://cdnjs.cloudflare.com/ajax/libs/html2pdf.js/0.9.3/html2pdf.bundle.js 

Следующим шагом мы создаем обертку для контента, подлежащего сохранению в формате pdf:

Конечно, еще нужна кнопка, по нажатию на которую будет генерироваться pdf-файл:

Наконец, напишем нужную нам функцию на ванильном JavaScript:

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How to Embed PDF in HTML

There are several ways to include a PDF file in your HTML document:

Ways of putting a PDF document in HTML

Example of embedding a PDF file in an HTML document:

html> html> head> title>Title of the document title> head> body> h1>PDF Example h1> p>Open a PDF file a href="/uploads/media/default/0001/01/540cb75550adf33f281f29132dddd14fded85bfc.pdf">example a>. p> body> html>

Result

How to embed PDF viewer in HTML

You could try embedding the PDF file in an ‘object’ tag. Here is an example of how to do this:

Example of adding a PDF file to the HTML by using the ‘object’ tag:

html> html> head> title>PDF Example by Object Tag title> head> body> h1>PDF Example by Object Tag h1> object data="/uploads/media/default/0001/01/540cb75550adf33f281f29132dddd14fded85bfc.pdf" type="application/pdf" width="100%" height="500px"> p>Unable to display PDF file. a href="/uploads/media/default/0001/01/540cb75550adf33f281f29132dddd14fded85bfc.pdf">Download a> instead. p> object> body> html>

This code will display the PDF file in an object element in the HTML page. If the browser is unable to display the PDF file, it will show a fallback message with a download link.

Can we prevent the pdf from downloading?

Unfortunately, it is not possible to completely prevent a user from downloading a PDF file that is embedded in an HTML page. Even if you disable the right-click context menu, a user can still access the PDF file through the browser’s developer tools or by inspecting the page source.

However, you can make it more difficult for a user to download the PDF file by using various methods, such as:

  1. Converting the PDF file to an image format (such as JPEG or PNG) using a tool like ImageMagick or Ghostscript, and displaying the images in an HTML page. This way, the user will not be able to download the original PDF file directly, but they can still download the images.
  2. Using a JavaScript PDF viewer library like PDF.js, which can display PDF files in an HTML page using the browser’s built-in PDF rendering capabilities. You can customize the viewer to disable downloading and printing, but as I mentioned earlier, it is still possible for a user to access the PDF file through the browser’s developer tools or by inspecting the page source.
  3. An alternative strategy to consider is the use of CloudPDF, a unique cloud-based service designed specifically to protect PDF files from unauthorized downloads. Similar to PDF.js, CloudPDF provides a platform for viewing PDF files within the browser, but sets itself apart by disabling the download functionality for viewers, adding an extra layer of document control. CloudPDF achieves this through server-side rendering, a technique that prevents the PDF from being directly transferred or displayed in the client’s browser, making it more difficult for the document to be accessed via developer tools or page source inspection, thereby enhancing security significantly. While it’s important to note that no method is foolproof, the features provided by CloudPDF notably elevate the difficulty level for unauthorized access, making it a worthy consideration for those seeking enhanced document security.

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Downloading Pdf File Using HTML Code

Downloading Pdf File Using HTML Code

In this tutorial we will show you the solution of downloading pdf file using HTML code, in HTML in previous sessions we will learn about anchor tag, pdf, images, videos and songs. And from all of these we learn about images only.

Like how we are able to download images in html. Now, today we will define you how you are able to make download the pdf file with the help of html. And this can be done here with the help of anchor tag.

Step By Step Guide On Downloading Pdf File Using HTML Code :-

As, there are many ways with the help of which you are able to make pdf download. As see in some website like school website and in some mobile applications also.

That there is a text or image for some and when you click on this link, the pdf or also images started downloading.

So, from with the help of anchor tag we will show you here that how you are able to make a pdf downloading in html codes

         click here to download pdf 
click here to download next pdf
  1. First, we write which we used as an instruction to the web browser about what version of HTML file is written in.
  2. Secondly, the tag is used to indicate the beginning of an HTML document.
  3. As above now tag is used to contain information about web page. In this tag a ending tags respectively.
  4. Thirdly, tag is used to define the webpage body. All the contents to show on website are written here. Hence, here we specify some ways with the help of which you are able to make pdf downloadable.
  5. First here we create an anchor tag and under this tag, we write text. You can also attach an image and something other on which you want to click.
  6. The concept is to add an attribute download before ending the opening tag of anchor tag. The download is an attribute and when you click on the link showed on browser. You are able to make a pdf downloadable.
  7. Where in second case, means in second anchor tag. We use the same process but here the download attribute gets changed.
  8. Here we use download attribute with some value and that is download again. It not matters that why we use download this as. But this is used to change the name of the file which we want to download.
  9. At last, the and tags are closed with and respectively.

Conclusion :-

At last, in conclusion here we want to say that there are many other ways with the help of which you are able make a pdf downloadable.

And one from them is with the help of anchor tag. I hope this tutorial on downloading pdf file using HTML code helps you.

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