Before opening, we can preview many types of files, but we cannot normally preview PDF files. Here we have the answer to this question: Yes, we can preview PDF files before opening them, by adding ...

Windows/Mac/Linux (Firefox): The Informational Tab extension shows a thumbnail preview of the opened site in the tab bar. Informational Tab has a few customization options such as the size of preview, ...

If you keep a slew of tabs open in Firefox, you've probably used the "List All Tabs" menu on more than one occasion. With a few about:config tweaks, you can add thumbnails to this menu for even ...

Visual Tooltip adds thumbnail previews to the Windows taskbar, allowing you to see what's beneath each button when you mouse over it. Windows Vista offers similar functionality, but Visual Tooltip ...

YouTube is one of the most popular entertainment apps in the world. It allows you to both upload and watch an endless stream of videos. But no app is perfect, and even apps like YouTube can sometimes ...