Are there any specific PHP libraries or tools recommended for converting PDF files to HTML in a user-friendly manner?

Converting PDF files to HTML in a user-friendly manner can be achieved using libraries such as `pdftohtml` or `PDFlib`. These libraries provide functions to extract text, images, and formatting from PDF files and convert them into HTML format. By utilizing these libraries, you can create a seamless conversion process for your users.

// Include the PDF to HTML library
require_once('pdftohtml.php');

// Specify the input PDF file
$inputFile = 'input.pdf';

// Specify the output HTML file
$outputFile = 'output.html';

// Convert the PDF file to HTML
$pdfToHtml = new pdftohtml($inputFile);
$pdfToHtml->setOutputFile($outputFile);
$pdfToHtml->convert();