Proton
Privacy by default
- 0 community votes
- Security, Privacy & Compliance
Proton metrics
| Metric | Value |
|---|---|
| Domain Rating | 90 +1 (up) since last check |
| Trust Flow | 46 no change since last check |
| Citation Flow | 71 no change since last check |
| Referring domains | 41,405 no change since last check |
| External backlinks | 8,334,266 no change since last check |
Ahrefs Domain Rating last compared 16 Oct 2026, it last moved 9 Oct 2026. Strongest topic: Society/Issues (39). Majestic data compared 3 Oct 2026, it last moved 3 Oct 2026. Link figures come from Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
Proton: the domain behind it
| Domain age | 16 years |
|---|---|
| Registered | |
| Expires | |
| Registrar | MarkMonitor Inc. |
| DNSSEC | Signed |
A privacy-focused ecosystem of encrypted email, calendar, cloud storage, password manager, VPN, and AI services for individuals and businesses.
About Proton
Proton is a Swiss privacy company founded in 2014 by scientists from CERN. It provides a suite of encrypted services including email, calendar, cloud storage, password manager, VPN, video conferencing, and AI assistance, all built on the principle of end-to-end encryption where users maintain control of their data.
The company operates with a community-first approach through a non-profit structure where the Proton Foundation is the primary shareholder. Proton offers free and paid subscription plans and serves over 100 million users and organizations globally.
Key to Proton's philosophy is that privacy is a human right. The company doesn't sell user data or display ads, and all its applications are open source and independently audited by security experts.
What it offers
- Encrypted email
- Encrypted cloud storage
- Password manager
- VPN service
- Two-factor authenticator
- Video conferencing
- AI assistant
- Collaborative documents
- Online spreadsheets
Pricing
Pricing model: Freemium
Free plan with basic features, plus paid subscription plans (Mail Plus, Unlimited, Family, and Business) with enhanced storage, features, and services.
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FAQ
Can I try Proton for free?
Yes. Proton offers a free account where users can create an account and enjoy the essential features of Proton Mail, Proton Calendar, Proton Drive, and Proton VPN while securing their data.
What payment methods does Proton accept?
Proton accepts Visa, Mastercard, American Express, and PayPal. Users can also purchase credits with cash, bank transfers, or Bitcoin.
Can I switch to a different plan at any time?
Yes, users can switch to a new plan at any time. When upgrading, prorated credit is applied toward the new plan. When downgrading, the account must match the storage and features of the new plan.
What happens if I cancel my subscription?
Canceling a subscription is easy through the account dashboard. When downgrading to the Free plan, the account must match what is included in the Free plan, which may require deactivating some email addresses and calendars or reducing storage usage.
What happens to my data if I cancel my subscription?
When you downgrade your subscription, you won't lose access to data stored in your Proton account. However, before downgrading, you must remove data that exceeds the storage limits of your chosen plan.
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