It depends entirely on the terms you agreed to when you clicked upload — and you can check those terms in about two minutes before you hand over a photo.
The technology itself is not the risk. The risk is what the company is allowed to do with your face image afterward, and free tools have the strongest incentive to keep and reuse it. So the honest answer is not "yes" or "no" but "read the retention and training clauses first."
What actually happens to your upload
When you send a selfie to a headshot generator, the system runs a face-detection step, crops and aligns your face, and converts it into a mathematical representation — often called a face template or embedding. That template is a string of numbers describing the distances between your eyes, nose, jaw, and so on.
It is not a photo, but it is tied to you, and in many jurisdictions it counts as biometric data. From there, one of three things happens: the file is deleted after processing, it is stored for a set period, or it is kept and used to improve the company's models. Only the first is genuinely low-risk.
The second is a waiting game. The third means your face may end up training a system you will never see.
The four never-upload categories
There are photos you should simply not upload to any free generator, regardless of what the privacy policy says. First, images of children — consent rules around minors' biometric data are stricter and the long-term exposure is larger. Second, photos of anyone who has not agreed, including family members in the background.
Third, images that reveal identity documents, badges, or location. Fourth, anything you would not want appearing in a search result next to your name. A useful rule: if the photo would embarrass you in a leaked dataset, it is not a candidate for a free tool.
How to test a free generator in two minutes
Open the privacy policy and search the page for three words: "retention," "training," and "delete." Retention tells you how long they keep the file. Training tells you whether your image feeds their models.
Delete tells you whether you can remove it yourself and how. If any of those three words is missing, treat that as a no. Also check whether the tool requires account creation before upload — an account links the image to an email address, which makes the data far more identifiable.
A tool that lets you generate and download without signing in is not automatically safe, but it removes one layer of linkage. For a broader look at how AI tools handle private data, see our guide on whether AI tools can really leak your private data.
Where this advice breaks down
Reading the terms does not protect you if the company changes them later, and privacy policies are written by lawyers, not by people trying to help you. A policy that says "we may share data with partners" is technically disclosure but practically meaningless — you cannot audit the partners.
There is also no way to verify that a company actually deletes your file when it says it does; you are trusting a claim. Paid tools are not automatically safer, and free tools are not automatically unsafe, but free tools carry a structural incentive to monetize the data they collect, because the user is not paying.
That is the trade-off. If your face is genuinely sensitive to you — for professional, legal, or personal reasons — the only safe upload is the one you do not make. For everything else, the two-minute terms check is the right amount of diligence.