Need to password-protect some files on your Mac? Want to stop them from being edited or deleted by mistake? Or do you just need to hide them away from prying eyes? macOS has solutions for all these ...

The free open-source Hide & Reveal program supports TIFF, as well as BMP and PNG file formats, and lets you hide information in a file, and then load the file and extract the information.

In the File Open dialog, OS X grays out files that the program thinks are unopenable. Is it possible to alter the dialog's display to hide (not just gray ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Everything on your smartphone should be protected behind a lock ...

The Windows operating system offers many tweaks and tricks. If you are aware of these, then you can complete your tasks quickly and in a simple way. You may never need to use any third-party software ...

We've featured some of our favorite steganography tricks before, but if you don't feel like downloading extra software or diving into the command line, here's an easy way to hide more sensitive files ...

How to hide files from any file manager on the Linux desktop Your email has been sent Want to hide files and folders from your Linux desktop file manager? Jack Wallen shows you one handy method. You ...

The Tech Tray weblog has posted a tutorial for hiding secret files inside JPEG images using the popular Windows archiver, WinRAR, and a little command line magic. Basically, you create a .rar archive ...

Here is how to show or hide the file icon overlay on thumbnails in Windows 11 or Windows 10 computers. You can enable or disable file icons on thumbnails in Windows ...