How to Convert PDF to Image (JPEG / PNG) in Javascript using PDF.JS Library
Once you have rendered the PDF in your appliaction using PDF.JS, converting a PDF page to an image is nothing special. PDF.JS uses a <canvas> element to render a PDF (although it can also be set to use an SVG). You can easily convert the underlying canvas to an image using canvas.toDataURL method. // Download button (PNG) $("#download-image").on('click', function() { $(this).attr('href', $('#pdf-c
Overview of pdf.js guts < Chris Pitchin' Hey
Andreas posted a general overview of pdf.js. I’d like to briefly cover some more-technical parts of the renderer. pdf.js (currently) parses raw arrays of bytes into streams of PDF “bytecode”, compiles the bytecode into JavaScript programs, then executes the programs. (Yes, it’s a sort of PDF JIT . The side effect of those programs is to draw on an HTML5 <canvas>. The commands in the bytecode inclu
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GitHub - mozilla/pdf.js: PDF Reader in JavaScript
