PDF Viewer Online
View your PDF files with CocoDoc
The Smooth-As-Butter Online
Use CocoDoc to view, browse, and peruse any PDF file online. Our PDF file viewer is browser-based, so you don't have to install bulky PDF viewing and reading software.
With CocoDoc, you can access and read your favorite PDF files from any device. Start reading PDFs from your PC and pick up where you left off on your smartphone.
CocoDoc is faster and smoother than dedicated electronic readers. It offers the same features as an e-reader – except with less lag and hitches.
Create your own personal library of PDFs online, for work or personal purposes. Get up to 10GB of free storage space with the basic plan.
CocoDoc's document editing tools allow you to annotate, highlight, and comment on PDFs as you read them. You can share PDFs online too.
Any documents you choose to save on CocoDoc are kept safe by the latest security protocols and best practices. Your connection to our server is encrypted with 256-bit SSL.
How to View a PDF File Online?
PDF Reader FAQ
Is PDF viewer safe?
It depends on the PDF viewer in question. In general, they are safe. CocoDoc is one of the safest ones. All connections to our server are routed through 256-bit SSL encryption, meaning no one can read your data. Further, our servers are protected by the latest security protocols and your data is never shared with anyone. Features like the auto-deletion of old documents mean they are never shared with anyone.
How do I open a PDF online?
You can open a PDF online quickly and conveniently with CocoDoc. Just visit the CocoDoc website from your web browser on any device. Then upload (drag and drop) the PDF you wish to view into the reader. CocoDoc will open the PDF document in a new viewing window. Besides opening the PDF on CocoDoc online, you can also edit, share, and store it with CocoDoc's powerful PDF management suite.
How do I view a PDF?
The most convenient way to view a PDF is to use an online PDF reader like CocoDoc. That way, you don't need to download dedicated software. You will be able to view the PDF from your web browser window. To view any PDF online, simply visit CocoDoc and drag and drop the file into the editor. The document will open for viewing in a new window.
How do I open a PDF file without Adobe Reader?
You can open a PDF without Adobe Reader using CocoDoc. CocoDoc is a browser-based PDF viewer, reader, and editor. Essentially, it allows you to open and manage PDFs from any device that has an internet connection and a web browser. You don't need to have Adobe Reader installed. CocoDoc's PDF editing toolkit provides most of the same functions.
What is a PDF viewer?
A PDF viewer, also referred to as a PDF reader, is a software utility that allows you to read PDF-format documents. There are two types of PDF viewers: offline and online (browser-based). Offline PDF viewers need to be installed on your phone or PC. You can then open PDFs from the app's user interface. Online PDF viewers are more convenient in that they allow you to view PDFs from your web browser directly. They also come with the same features as offline readers.
What is the best free PDF reader?
We think CocoDoc is one of the best PDF readers out there, if not the best one. It's a polished, feature-rich PDF viewer you can access directly from your web browser – no downloads needed. It comes with advanced reading modes and tools like a commenter to enrich your reading experience. Further, the PDF reader tool is free, secure, reliable, and offers useful features like a template maker.
Learn with CocoDoc
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Read the guide below to find out how to write on a PDF for free. You can also find suitable PDF tools available to do so.
Do you wish to edit a scanned document but not sure how to get started? Here is a step-by-step guide to help you out. Check out now.