Turn your smartphone into a professional car diagnostic tool with a $15-30 OBD2 adapter and free apps that read engine codes in seconds.

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

QR or Quick Response codes are one of the most popular ways to access information on the go. Invented in 1994 and once considered the wave of the future, part of the QR code revival that started in ...

If Apple's native document scanning and management features aren't enough, Scanner for iPhone can help by bringing all the necessary tools and features into a single, simple interface. Scanner for ...

These days, it's pretty easy to digitally sign important documents, but sometimes you just need to sign a physical piece of paper and scan it to send over email. When you just have to put your ...