Nitro PDF Reader has been discontinued. Similar apps include SumatraPDF, which is free and open source. Other options are Okular, Foxit PDF Reader, Evince and MuPDF. You're spoiled for choice with PDF Readers like Nitro PDF Reader: we list more than 50 alternatives for Windows, Mac, Linux, Android and the web.
qpdfview is a Qt-based tabbed document viewer using the Poppler library for PDF rendering and CUPS for printing. Support for the DjVu and PostScript formats can be added via plugins.
Germany
EU
Cloud-based PDF viewer and annotation tool for your browser. Perfect for Chromebook 1:1 schools. View, export, print and share your PDF files straight from your browser. Kami works on all browsers and works best with Google Chrome.
Besides exceptionally fast launching and displaying speed, Gaaiho Reader is reliable in printing, filling forms annotating documents and adding bookmarks.
Taiwan
RAD PDF is a website component and online interface for editing, filling, signing, and viewing PDF documents. This ASP.NET technology offers your users a free PDF editor, ready for integration with your web application.
United Kingdom
Aspose.Pdf for Cloud is a REST API to create, edit & manipulate PDF files. It also convert PDF file to DOC, DOCX, HTML, XPS, TIFF etc. You can create a new PDF either from scratch or from HTML, XML, template, database, XPS or an image.
United States
Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:
Russia
The better PDF experience - Simple and easy online PDF tools
Annotating. converting and editing pdfs in a web application by the developers of xodo.
Canada
Xpdf is a free PDF viewer and toolkit, including a text extractor, image converter, HTML converter, and more. Most of the tools are available as open source.
United States
Zathura is a highly customizable and functional document viewer. It provides a minimalistic and space saving interface as well as an easy usage that mainly focuses on keyboard interaction.
GermanyEU
Comprehensive PDF tool for viewing, editing, annotations, and conversion between formats like Word, Excel, or PPT. Features include encryption, redaction, and fast batch processing.
Hong Kong
United Kingdom
PDF Max is a desktop class PDF app for reading, annotating or signing PDF documents on your iPhone/iPad. Mark up documents with highlights and handwriting, insert texts and stamps, fill out, sign PDFs and even manipulate PDF pages.
New Zealand
