Adobe’s Portable Document Format has become the standard for sharing and viewing high quality digital documents. It’s also one of the most used document types in the business world. Aside from the ability to create well-designed documents, they can also provide interactivity and security. It’s only common that people would immediately resort to the popular Adobe Reader for opening PDF files, but do you know that it contains a lot of exploits and vulnerabilities? Add to it the software’s expensive computer resource usage. Good thing there’s a lot of other free alternatives to Adobe Reader with far more powerful tools that includes editing that Adobe reader doesn’t have. So, are you ready to meet them? Let’s dive in!
There’s a lot of other free alternatives and open source PDF software out there, but these are the best among the best.
This is an excellent choice for those who want an alternative to Adobe Reader for opening PDF files. No editing tools or other powerful features, but it goes straightforward for those who love to read and/or view PDF files. Lightning fast, lightweight and uses very few computer resources. It can also read CBZ and CBR files if you are a comic book lover.
Only comes at only 1.43 MB file size, this could be considered the lightest PDF viewer for the windows platform. However, like Sumatra PDF, it is only intended for viewing and opening PDF files but it comes with different plugins to enable PDF file conversion.
Nitro PDF Reader
This one opens files slower than the earlier two options; however, it comes with feature rich tools. In addition, it’s still far faster than Adobe Reader and uses fewer resources. It has a free and paid version, but the free version comes with powerful editing tools, signature embedding, custom watermarks and more!
Another fast and free PDF viewer and a must have for Windows platforms, it comes with wide array of annotations and markup features. It even supports OCR, document search and more. Other more advanced features are available at the paid version, but the free version is more than enough in most cases. It is fast, light and performance wise. A great PDF viewer with powerful set of tools.
Called itself as the Swiss Army Knife of PDFs, it allows one to manipulate a number of PDF files easily. It has tools for applying watermarks, digital signage, add page numbers, attach files, split and combine documents and more. However, it’s somewhat intricate user interface will take some time to master, but it’s worth it.
A great alternative for PDF creation suite like Adobe Acrobat, this powerful, open source, desktop publishing tools will take users to the next level of PDF creation. This offers a wide and powerful array of PDF editing and viewing tools, which can help professionals in creation and manipulation. While it can be counter-intuitive for new users, there’s an extensive tutorial available online and there’s an active community that you can get help from.