PDF.js – JavaScript library that renders Portable Document Format files

PDF.js a free, open source, general-purpose, web standards-based platform for parsing and rendering PDFs. It’s an HTML5 and JavaScript-based PDF reader.

The objective is to support all HTML5 compliant browsers, but since feature support varies per browser/version support for all PDF features varies as well. Supported browsers include: Firefox, Chrome, Opera, IE11/Edge, and Safari 9+.

PDF.js is built into version 19+ of Firefox. There’s an official extension for Chrome.

Features include:

  • View document thumbnails or outline
  • Page up and down or skip directly to a specific page.
  • Change the size of the document.
  • Full screen and presentation mode
  • Print documents.
  • Download documents.
  • Copy current view.
  • Keyboard shortcuts.

Website: mozilla.github.io/pdf.js
Support: FAQ, Wiki, GitHub Code Repository, Twitter
Developer: Mozilla and individual contributors
License: Apache License 2.0


PDF.js is written in JavaScript. Learn JavaScript with our recommended free books and free tutorials.

Return to PDF Viewers Home Page

Popular series
Guide to LinuxNew to Linux? Read our Linux for Starters series. We start right at the basics and teach you everything you need to know to get started with Linux.
Free and Open Source SoftwareThe largest compilation of the best free and open source software in the universe. Each article is supplied with a legendary ratings chart helping you make informed decisions.
ReviewsHundreds of in-depth reviews offering our unbiased and expert opinion on software. We offer helpful and impartial information.
Alternatives to Proprietary SoftwareReplace proprietary software with open source alternatives: Google, Microsoft, Apple, Adobe, IBM, Autodesk, Oracle, Atlassian, Corel, Cisco, Intuit, and SAS.
DockerGetting Started with Docker helps you master Docker, a set of platform as a service products that delivers software in packages called containers.
System ToolsEssential Linux system tools focuses on small, indispensable utilities, useful for system administrators as well as regular users.
ProductivityLinux utilities to maximise your productivity. Small, indispensable tools, useful for anyone running a Linux machine.
Home ComputersHome computers became commonplace in the 1980s. Emulate home computers including the Commodore 64, Amiga, Atari ST, ZX81, Amstrad CPC, and ZX Spectrum.
Now and ThenNow and Then examines how promising open source software fared over the years. It can be a bumpy ride.
Linux at HomeLinux at Home looks at a range of home activities where Linux can play its part, making the most of our time at home, keeping active and engaged.
Linux CandyLinux Candy reveals the lighter side of Linux. Have some fun and escape from the daily drudgery.
Android AppsBest Free Android Apps. We showcase free Android apps that are definitely worth downloading. There's a strict eligibility criteria for inclusion in this series.
Programming BooksThese best free books accelerate your learning of every programming language. Learn a new language today!
Programming TutorialsThese free tutorials offer the perfect tonic to our free programming books series.
Stars and StripesStars and Stripes is an occasional series looking at the impact of Linux in the USA.
Share this article

Share your Thoughts

This site uses Akismet to reduce spam. Learn how your comment data is processed.