pdf.js html5展现pdf

Quite amazing: PDF.js is a JavaScript library that displays PDFs in browsers. At version 0.2, it comes with the requisite warning: “Note: This is an early-stage prototype. Several documents might not render properly.”
Try it out online, in any browser.
Install a Firefox add-on that uses PDF.js to display PDF files you come across on the web. It automatically stays current via Firefox auto-update.
PDF.js on GitHub.