And its resource use is extremely efficient.

While STDU Viewer doesn't have all the features of PDF-XChange Editor or Foxit Reader, it is a great alternative for those who have to read or refer to a lot of digital documents. Another neat feature is that you can invert colors, such as from black on white to white on black, which can reduce eyestrain. Go to the 'Edit' tab and then select the 'Edit' button.

Then from the home window click on the 'Open File' button and select the target PDF. Not only can you open documents in tabs and expand a navigation panel, but you can also create and navigate bookmarks and highlights, view thumbnails of your open documents, and split windows to compare different pages within the same document. After you have downloaded and installed PDFelement on your computer, launch it. STDU Viewer's strong suit is managing multiple different documents at once. STDU Viewer supports TXT, Comic Book Archive, PDF, DjVu, MOBI, EPub, several image files, and many more document formats. The Scientific and Technical Document Utility (STUD) Viewer is one of the best tools for all your technical documentation, books, and other readings. Highlight: One viewer to replace them all, great for navigating multiple documents. You can, however, download a portable version of Foxit Reader. But the feature richness comes at a cost: your system resources. You can also customize the Ribbon interface.įoxit Reader managed to pack all those features into a cleaner interface than PDF-XChange Editor. Right-click anywhere in the toolbar to access all customization options. One of Foxit Reader's best features is that you can add your own shortcuts to the Quick Action Toolbar in the top left. Unfortunately, some more advanced options, including shared reviews, are greyed out and only available with a paid license. They cover a range of advanced options, including text markup, a typewriter option, form handling, digital signatures, and more.

You'll notice that an extensive number of editing tabs dominate the interface. It remains a great option because, among the free PDF readers, it offers the most features, with no strings attached. Highlight: The most feature-complete free PDF reader.įoxit Reader was one of the first mainstream Adobe Reader alternatives.

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