Have a question, feedback, or need help? We're here for you.
We'll get back to you within 2 business days
For general inquiries, technical support, or account questions:
Found a bug or technical issue? Let us know:
Include: what you were doing, what happened, browser/OS info
Unfortunately no. Tectonian uses zero-knowledge encryption—we cannot access or recover your passphrase. If you lose it, your data cannot be recovered. We recommend storing your passphrase in a secure password manager.
Log into your account, go to Settings → Billing, and click "Cancel Subscription." Your access continues until the end of your billing period.
Due to the digital nature of our service and the availability of a free demo, all sales are final. See our Terms of Service for more details.
Visit our Accessibility Discount page to apply. Students/educators with a .edu email get a verification link for quick approval. Healthcare professionals and neurodivergent individuals are reviewed within 48 hours.
Yes. Your data is encrypted client-side using a passphrase only you know. We cannot access your encrypted content. Learn more in our Privacy Policy.
Tectonian is currently web-based and works on mobile browsers. Native iOS and Android apps are on our roadmap.