Is Synthesia safe with your data?

Synthesia

62/100

Good disclosure · high confidence

Synthesia earns a B (62/100) because it discloses most of its data practices.

#36

of 211 apps ranked

score · Image & video avg 43

+19

vs category average

Grade scaleA · 70–100B · 60–69C · 48–59D · 35–47F · 0–34

Synthesia offers opt-out training, comprehensive data rights including deletion, enumerated data categories, and explicit restrictions on biometric data monetization, but remains vague on AI component disclosure and lacks breach notification timelines.

What Synthesia's privacy policy and terms of service say about your data

Training opt-out

You will be asked whether you consent to the use of your Biometric Data

Data deletion within timeline

automatically deleted from our back-end within 30 days

Biometric restrictions

We will not sell, lease, trade, or otherwise profit from Biometric Data and will not permit its vendor(s) to sell, lease, trade

Legal bases disclosed

We rely on different legal bases...for each legal basis below, we describe the purposes

What the policy is silent or vague on

Not stated: whether training use differs by plan
Not stated: shorter retention for AI conversation logs
Not stated: a data-minimisation commitment
Not stated: marking of AI-generated output

Synthesia privacy rating

Training-data use1 of 4 disclosed

Keeps user inputs out of model training, or makes training opt-inPartial

Names a way to opt out of or into trainingPartial

Says whether training use differs by plan or tierSilent

Lets the user keep ownership of generated outputsDisclosed

Data-subject rights4 of 5 disclosed

Grants a right to access your dataDisclosed

Grants a right to delete your dataDisclosed

Offers data portability in a usable formatDisclosed

Grants a right to correct your dataDisclosed

Grants a way to object to or opt out of processingPartial

Retention and deletion0 of 4 disclosed

States a retention period for your dataPartial

States a deletion timeline after closure or requestPartial

Sets a shorter retention for AI conversation logsSilent

Commits to collecting only the data it needsSilent

Third-party sharing3 of 5 disclosed

Lists the categories of third parties it shares withDisclosed

References a sub-processor list or data processing agreementPartial

Does not sell or share data for advertising, or offers opt-outDisclosed

Names a safeguard for international data transfersDisclosed

States a standard for government and law-enforcement accessPartial

Transparency3 of 5 disclosed

Discloses that you are interacting with AIPartial

Marks AI-generated or synthetic outputSilent

Enumerates the categories of data it collectsDisclosed

Maps processing purposes to legal basesDisclosed

Is versioned and dated, with change noticeDisclosed

Sensitive data and children1 of 4 disclosed

Discloses automated decisions and a human-review pathSilent

Limits the use of special-category dataPartial

Governs biometric data specificallyDisclosed

States protections for children's dataPartial

Security and accountability0 of 3 disclosed

Describes its security safeguardsPartial

Commits to breach notificationSilent

Names a certification or a privacy contactPartial

DisclosedPartialSilentAdverseNot applicable

Details

Category: Image & video
Modalities: video
Processes biometrics: Yes
Policy last updated: 2025-01-30
Region scored: Global / US-default
Last assessed: 2026-07-08

Documents examined

Other image & video apps

Each grade reflects our analysis of what an app states in its public privacy policy and terms as of the assessment date. It measures the transparency of those documents, not the company's actual data practices, security, or compliance. Grades are our opinion, offered for general information. Full disclaimer.