One of the most popular alternatives to Adobe Acrobat Reader is SumatraPDF, which is free and open source. Other popular alternatives are Okular, Foxit PDF Reader, Xournal++ and PDFgear. You're spoiled for choice with PDF Readers like Adobe Acrobat Reader: we list more than 100 alternatives for Windows, Mac, the web, Linux and Android.
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.
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.
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SpeedyNote is a fast, open-source note-taking application designed for stylus users who need iPad-quality annotation on budget hardware. Built with native C++ and Qt, it delivers 360Hz stylus input on hardware as modest as an Intel Celeron N4000 at 1.
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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pdfDocs integrates with business systems to efficiently assemble, secure and distribute documents in PDF and PDF/A format.
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PDFLiner is the all-in-one online platform for working with PDF documents. Here, you can upload any PDF or Image and edit it in just a few seconds. With PDFLiner you edit your PDF files as well as sign them electronically and protect them with password and watermark if needed.
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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Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:
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ezPDF Reader is a PDF viewer with some powerful features such as TTS (Text-to-Speech), annotations and PDF forms.
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Discover Feather PDF, the ultimate PDF editor that prioritizes your privacy. Enjoy powerful editing features without data collection and gain lifetime access with a one-time payment.
PDFChef enhances document management with cross-platform support on PC, Mac, iOS, and browsers. It offers text-editing, page rearranging, conversion tools, and cloud-based sharing. Supporting various file formats, it also enables users to add signatures directly to PDFs for swift document finalization.
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