The ONLYOFFICE suite can be used as a file converter. If you have to read PDFs at night, you can switch to Dark Mode. The ONLYOFFICE open source PDF viewer also offers such features as downloading, printing and zoom settings. Using the Select tool, you can copy text and graphical objects, and the Hand tool allows you to browse the entire PDF document. The built-in viewing tool makes it possible to navigate through the pages of PDF files using a thumbnail pane with page previews.Īlso, there is a navigation pane that allows you to easily access the required page of your file with a few clicks. You can use the ONLYOFFICE suite to create and edit text documents, spreadsheets, presentations and fillable forms as well as open and view PDFs. It’s a full-featured collaborative office suite that can handle office documents of different types and PDF files. ONLYOFFICE Image source: ONLYOFFICE is a very interesting option if you are looking for an open source PDF viewer. They are also often free of charge, which allows you to do other things with your money. In comparison with proprietary software, open source PDF readers offer the same features but are more reliable and transparent. In our list, you will find some of the best open source tools that you can use to view the content of PDF files. You don’t need to install complex PDF editing tools if you just open files for viewing and save documents to PDF for printing.

In many cases, a PDF reader is all you need to work with PDF files. They can also be able to perform some other basic operations, like adding annotations and saving PDFs to other formats, but they don’t usually allow you to change or modify information in your files. It’s an application that allows you to open PDF files on your device and view their content. In this article, you will find a brief overview of the best open source PDF readers so that you can choose one for your work or personal use on different platforms.įirst of all, let’s be clear on that the phrases “PDF reader” and “PDF viewer” mean the same sort of thing and can be used as synonyms. Nowadays everyone who has to deal with electronic documents needs a PDF reader due to the popularity and widespread distribution of this format.

Sumatra pdf macos