Last updated: March 11, 2026
Nexa ("we", "our", "us") is a Chrome browser extension that helps users create narrated video tutorials. This policy describes what data we collect, how we use it, and your rights regarding that data.
When you sign in with Google, we receive and store:
We do not receive or store your Google password.
When you create a tutorial, the extension captures your browser tab video and microphone audio using standard browser APIs.
Recordings are temporarily stored on your device during capture and automatically uploaded when you stop recording. Once uploaded, the local copy is cleaned up.
During a recording session, the extension captures:
This data is used solely to reconstruct your tutorial timeline and is uploaded to our server along with the recording for processing and editing.
Payments are processed entirely by Stripe. We never see, store, or process your credit card number. We only store your Stripe customer ID and purchase history (amounts and timestamps) for credit balance tracking.
We store your chosen settings: language, TTS voice, speed, pitch, custom logo, and color preferences.
| Data | Purpose |
|---|---|
| Email, name, avatar | Account identification and display |
| Microphone audio | Transcription (speech-to-text) to generate narration |
| Narration text | AI-assisted text polishing and text-to-speech synthesis |
| Page interaction data | Building the tutorial timeline and step markers |
| Stripe customer ID | Processing credit purchases and managing balance |
| Preferences | Personalizing your experience (voice, language, branding) |
We use the following third-party services to provide our functionality:
| Service | Data Shared | Purpose |
|---|---|---|
| OpenAI (Whisper) | Audio recordings | Speech-to-text transcription |
| OpenAI (GPT-4.1) | Narration text | Text polishing and improvement |
| Google Cloud (Text-to-Speech) | Narration text segments | Generating spoken audio for tutorials |
| Stripe | Email, name | Payment processing |
| Google OAuth | Authentication token | Sign-in verification |
Each third-party service processes your data according to their own privacy policies. We encourage you to review: OpenAI Privacy Policy, Google Cloud Privacy Notice, and Stripe Privacy Policy.
You have the right to:
To exercise any of these rights, contact us at the email below.
Nexa is not intended for use by children under 13. We do not knowingly collect personal information from children under 13.
We may update this privacy policy from time to time. Changes will be posted on this page with an updated "Last updated" date. Continued use of the extension after changes constitutes acceptance of the updated policy.
If you have questions about this privacy policy or want to exercise your data rights, contact us at:
Email: privacy@nexa.video