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How to embed a PDF viewer in a page?

web-development
responsive-design
pdf-viewer
cross-browser
Anton ShumikhinbyAnton Shumikhin·Dec 11, 2024
TLDR

To embed a PDF into your webpage, use an <iframe> and set the src attribute to the PDF URL.

Example:

<iframe src="your-pdf-path.pdf" width="100%" height="500px"></iframe>

Note: This method relies on the browser's native PDF viewer. Ensure proper CORS policies if the PDF is from a different origin.

For enhanced features and broader compatibility, consider using libraries like PDF.js. This open-source library renders PDF documents as a web standard, providing a robust viewing experience.

Advanced embedding techniques and libraries

Got more complex needs or dealing with a range of browsers? Let's dive into some alternative embedding techniques and third-party libraries:

1. Getting fancy with PDF.js

PDF.js by Mozilla gives you an open-source library that allows rich PDF interaction:

<!-- This code is simpler than it sounds, promise --> <div id="pdf-viewer"></div> <script src="pdf.js"></script> <script> // Make that PDF dance with pdf.js! PDFJS.getDocument('your-pdf-path.pdf').then(function(pdf) { // Enough blabbering, let's render the first page pdf.getPage(1).then(function(page) { // Zoom, enhance... just kidding, just scaling it to fit here. var scale = 1; var viewport = page.getViewport(scale); // Create a canvas and dunk it into our viewer var canvas = document.createElement('canvas'); var ctx = canvas.getContext('2d'); canvas.height = viewport.height; canvas.width = viewport.width; document.getElementById('pdf-viewer').appendChild(canvas); // Now let's show that page! page.render({ canvasContext: ctx, viewport: viewport }); }); }); </script>

2. Nice and easy with PDFObject

Too many lines and curly braces for you? Simplify your life with PDFObject:

<!-- Let's go the easy route --> <div id="pdf-viewer"></div> <script src="pdfobject.js"></script> <script> // PDFObject, hold my beer... and my PDF too PDFObject.embed("your-pdf-path.pdf", "#pdf-viewer"); </script>

3. Built-in alternatives

Sometimes, basic <object> or <embed> tags may be all you need:

<!-- Resurrecting the good old Object tag --> <object data="myPDF.pdf" type="application/pdf" width="100%" height="500px"> <a href="myPDF.pdf">Fallback link to download the PDF, just in case.</a> </object> <!-- Or - rekindling the love for Embed --> <embed src="myPDF.pdf" type="application/pdf" width="100%" height="500px" />

4. Harnessing Google’s power

Take advantage of Google's Document Viewer to display PDFs through an <iframe>:

<!-- Google Document Viewer, at your service --> <iframe src="https://docs.google.com/viewer?url=your-pdf-path.pdf&embedded=true" style="width:600px; height:500px;" frameborder="0"></iframe>

5. Going dynamic with FlexPaper

Need some responsive design? FlexPaper is your friend.

<!-- FlexPaper, our knight in shining armor --> <div id="flexpaper-viewer"></div> <script src="flexpaper.js"></script> <script> // Start the FlexPaper magic! FlexPaperViewer( 'path-to-flexpaper-viewer.swf', 'flexpaper-viewer', { // Configure it to your heart's content config : { SWFFile : 'your-pdf-path.pdf', Scale : 0.6, ... // Rest of your configuration localeChain: 'en_US' } }); </script>

Cross-browser considerations

The browser circus

Making the web work equally on every browser may feel like playing whack-a-mole. Test across:

  • Chrome: Out of the box good guy
  • Firefox: Support by PDF.js is a plus
  • Edge: Take PDFObject along, just in case
  • Safari: Might want to pack PDF.js for the safari
  • Opera: Should work fine, but test to avoid the fat lady singing

Fallback strategy

In case of mishaps, always provide a fallback link to the PDF:

<object data="myPDF.pdf" type="application/pdf" width="100%" height="500"> <!-- When life gives you non-supporting browsers, make download links! --> <a href="myPDF.pdf">Download PDF</a> </object>

Troubleshooting common issues

SOS signals your embedding might send out

  1. Browser Compatibility: Use PDF.js or PDFObject to keep everyone happy.
  2. Mobile Support: Make sure to cater to our phone addicted generation.
  3. Loading Performance: Keep an eye on how your PDFs perform.
  4. Security and Privacy: Because we all care about it... right?