Ever needed to quickly turn a Word doc into a PDF?

Most of us have. And when that happens, it’s easy to just Google a free tool, upload the file, and move on.

Seems harmless, right?

But here’s the scary part: that one small click could open the door to malware or even ransomware. And yes, the FBI is warning people about it.

Let’s break it down.

File converters are tools that change one type of file into another—like turning a PowerPoint into a PDF or combining images into a document. Many of them are free and easy to use.

But some of these free tools come with hidden dangers.

Cyber criminals are creating fake file converters that look real. The tool still works—but in the background, it may also be installing harmful software on your computer. That could include:

• Malware – software designed to spy on you, steal data, or damage your system
• Ransomware – locks your files and demands money to unlock them

Even worse, some converters scan the files you upload and steal private info like passwords, customer lists, invoices, or employee details.

The problem? These sites often look completely legit. They work. That’s what makes them so risky.

So what can you do?

If your business needs to convert files, always use trusted software from known providers—like Microsoft, Adobe, or tools already installed on your systems. Avoid random websites, even if they show up high in search results.

This is one of those risks that’s easy to avoid—if you know it’s there. So if your team uses online file converters, take a minute to check if they’re safe. It could save you a major headache down the road.