You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

We earn commissions from purchases you make using links in our articles. Learn more. If your car or truck’s check engine light is on, there’s a stumble when accelerating, or if the transmission just ...

Free software on your phone or tablet lets you scan, create, edit, annotate and even sign digitized documents on the go.

The method you'll need to scan a document on a Mac depends on what kind of scanner you have. Here's how to set up nearly any ...

However easy it is to digitally sign important documents, sometimes that won't suffice. When you just have to put your signature on a physical document and digitally upload it, and you don't have a ...

ThioJoe explains how to access and use Google Chrome’s hidden virus scanner.

The best way to see which devices are connected to your Wi-Fi (and find out their IP and MAC addresses) is to use the ...

Learn what those pesky dashboard lights mean with this easy-to-use scanner, compatible with almost all vehicles made after 1996. Car issues can be incredibly expensive, and many of us feel like we're ...

Want to double check that lottery ticket you got for Christmas is a loser before throwing it out? Or make sure it's a winner, if you don't believe what you're seeing? There are two easy ways to check ...