The newer versions of Firefox include a PDF viewer enabled by default when you install or upgrade the browser. There is no need to install an add-on or use an external application to open PDF files on ...

本文介绍了PDF-XChange Viewer这款功能丰富的PDF阅读工具的使用方法。该软件不仅完全免费，还具备多种实用功能，如添加各类标注、多标签页浏览、快速批量搜索、页面放大与导航等，极大提升了阅读体验。它支持将PDF内容导出为图像，操作便捷，效率高。

Mozilla today released version 19 of its popular Firefox browser, and in the new version implemented a long-awaited built-in PDF viewer. Topher Kessler MacFixIt Editor Topher, an avid Mac user for the ...

The best free PDF reader apps do more than just act as a PDF viewer - any modern browser can do that. What I'm looking for is tools that go beyond that, offering commenting, collaboration, and ...

The PDF viewer you choose is really dependent on what you need to do with the PDFs you download, but when it comes to viewing and editing PDFs, PDF-XChange Editor is the best program around. [jump] ...

For some PC users, you may get the Failed to load PDF document error message when you try using the built-in PDF Viewer to open a PDF document in Google Chrome on ...