Synthesia — privacy & data policy

Provider: Synthesia. PromptPrivacy score: 59/100. Last verified July 26, 2026.

What happens to your data?

Synthesia acts as a processor for your content, meaning your employer or the entity you represent controls how your data is used. They collect usage and technical data to improve their platform and services, and they may share data with service providers or legal authorities when required.

Does it train on your data?

Not specified. The policy mentions using usage information to improve models, but does not explicitly state whether user-submitted content is used for training.

Can you opt out?

Yes, for certain processing like marketing or biometric data, though some features may become unavailable. You can exercise rights by contacting support@synthesia.io.

Data retention

Customer Data is retained according to Customer instructions and applicable law. Other Information is retained as long as necessary for the purposes described, including legal obligations and legitimate business interests.

Encryption & security

The policy states they have implemented security procedures and measures to protect personal data, but does not specify encryption standards or certifications.

Is it safe for work?

Yes, the service provides enterprise-grade controls, including a clear distinction between data controller (Customer) and data processor (Synthesia), and mentions support for Data Processing Addendums.

Source policy: https://www.synthesia.io/legal/privacy-policy