Apps similar to Merge PDF 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 Merge PDF: we list more than 50 alternatives for Windows, Mac, Linux, Android and iPhone.
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.
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Atril is a simple multi-page document viewer. It can display and print PostScript (PS), Encapsulated PostScript (EPS), DJVU, DVI, XPS and Portable Document Format (PDF) files. When supported by the document, it also allows searching for text, copying text to the clipboard...
Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:
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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.
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Besides exceptionally fast launching and displaying speed, Gaaiho Reader is reliable in printing, filling forms annotating documents and adding bookmarks.
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In version 8, Google Chrome introduced a free PDF viewer, installed by default. While this plug-in lacks many features of the Adobe Acrobat Plug-in, it is much faster and lighter, and updates with the browser rather than an external utility.
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Ashampoo PDF Free is a software for opening, reading, and creating PDF files. It includes a built-in printer driver for generating PDFs from any Windows application, a compact and fast PDF reader, and the ability to fill out interactive and static forms.
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A simple PDF document viewer, in the lines of Evince but without using the Gnome libraries. ePDFView is a free lightweight PDF document viewer using Poppler and GTK+ libraries.
Panels is a CBR/CBZ/PDF comic reader for your iPhone and iPad devices. Enjoy reading your comics in a clean and delightful interface.
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AI powered productivity tool for reading, understanding and taking notes on PDFs and long websites. Users can search, summarise, extract and define keywords, ask google-search type questions and be taken straight to the answers.
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