Download [patched]: Iframe Prevent

Use code with caution.

When displaying PDFs, browser native viewers are the main culprit for downloads. You can add parameters to the PDF URL to hide the toolbar, which removes the "Save" and "Download" buttons. iframe prevent download

This restricts the content from initiating a download. If a script inside the iframe tries to download a file, it will be blocked. Use code with caution

var iframe = document.getElementById('myIframe'); iframe.addEventListener('load', function() iframe.contentWindow.document; iframeDocument.addEventListener('contextmenu', function(e) e.preventDefault(); alert("Downloading is disabled."); ); ); Use code with caution. This restricts the content from initiating a download

Knowing this will help me recommend the perfect security blend. GitHubhttps://github.com Sandboxed iframe, blocked download, and load event #7029

You can overlay a semi-transparent with pointer-events: none over the iframe to prevent right-clicking on the images. Summary Table of Methods Security Level sandbox (No allow-downloads ) Preventing automatic/forced downloads. #toolbar=0 Quick fix for PDF viewer controls. JS Right-Click Block Deterring novice users. Blob URL SRC Medium/High Hiding the direct file path. Adobe Embed API Professional document management. Image Conversion Maximum protection of text/layout. Conclusion

If the content must not be copied, the safest method is not to serve a PDF, but to convert the PDF pages into images (JPG/PNG) on your backend and display those images inside the iframe.