According to the pdf.js documentation, as crappy and as incomplete as it is, (as far as API docs go) provides a small demo on how to use the viewer with a static PDF file. // get my iframe document and set the src Please tell me how to bind this base64 string in (/pdf.js-master/web/viewer.html). React-PDF is under constant development. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. This ensures that PDF files will be rendered in a separate thread without affecting page performance. By the way, in addition to