emoji_events Best Zero Knowledge
Top-rated zero knowledge ranked by our AI-powered scoring system.
table_chart Top 5 at a Glance
| Rank | Name | Score | Price | Best For | |
|---|---|---|---|---|---|
| #1 | Tresorit | 8.9 | Free / $10/user/month for business plans, varies for enterprise | Ideal for businesses requiring high security standards and c... | Visit |
| #2 | NordLocker | 8.3 | Free / $4.99/mo | Ideal for individuals and small businesses who prioritize da... | Visit |
| #3 | Sync.com | 8.3 | Free / $5/month | Sync.com is best suited for businesses and individuals who p... | Visit |
| #4 | SpiderOak One Backup | 8.2 | Free / $5/month | Ideal for users who prioritize data security and need extens... | Visit |
| #5 | Icedrive | 8.2 | Free / $5/mo | Ideal for Windows users who require robust file security and... | Visit |
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leaderboard Full Zero Knowledge Rankings
Tresorit is an enterprise-grade cloud storage and backup solution that prioritizes security above all else. It is designed for businesses that handle highly sensitive data, such as legal, financial, o...
NordLocker, from the team behind NordVPN, is an encryption tool with secure cloud backup. It first encrypts files locally using zero-knowledge cryptography before optionally uploading them to Nord's c...
Sync.com is a Canadian-based cloud storage provider that prioritizes privacy and security without sacrificing usability. It uses zero-knowledge encryption, meaning your files are encrypted before they...
SpiderOak One is a zero-knowledge backup and sync tool with a strong security heritage. It performs continuous or scheduled backups of selected folders across unlimited devices, with no file size limi...
Icedrive is a newer entrant that has quickly gained popularity for its incredibly modern, intuitive interface and its 'virtual drive' technology. This feature allows you to mount your cloud storage as...
Mega is well-known for its generous free storage tier and its commitment to user privacy through end-to-end encryption. It is a powerful tool for users who need to transfer large files quickly and sec...
Dashlane Enterprise offers zero-knowledge encryption and advanced team management tools. It is designed to handle large-scale deployments with features like centralized policy management, making it su...
SpiderOak One is a US-based 'No Knowledge' backup and sync service where all data is encrypted client-side before upload, and the company has zero access to keys or passwords. It emphasizes robust bac...
KeePassXC is a community-driven, offline password manager that stores your credentials in a local, encrypted database file. It is highly secure because it never touches the cloud, putting the user in...
Internxt is a privacy-focused cloud storage provider that utilizes decentralized technology to secure user data. It offers 10GB of free storage and encrypts files before they leave the user's device....
SpiderOak prioritizes privacy with its zero-knowledge encryption, ensuring data is encrypted on the user's device before uploading. Plans start at 10 USD/month for 60GB. It offers file syncing and col...
Filen is a rising star in the encrypted cloud storage market, based in Germany. It is fully open-source and built from the ground up with zero-knowledge encryption. Filen is known for its fast perform...
ProtonMail provides end-to-end encrypted email services, prioritizing user privacy and security. While a free tier exists with limited storage and features, the paid plans offer significantly more sto...
OmniSafe is a password manager that focuses on simplicity and security. It offers a user-friendly interface, secure notes, and a password generator. OmniSafe supports cross-platform synchronization an...
Bitwarden is a highly secure, open-source password manager that offers a compelling free tier and inexpensive premium plans. Its transparent architecture has been independently audited. It supports un...
pCloud Crypto is a specific, paid add-on for the pCloud storage service. It provides a dedicated, zero-knowledge encrypted folder where files are protected before they are uploaded. While it is a powe...
Proton Mail offers a secure, encrypted email service based in Switzerland, prioritizing user privacy above all else. It provides a clean, modern interface and integrates well with other privacy-focuse...
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science How We Rank
Every zero knowledge is scored across 12 weighted criteria from hundreds of verified sources:
- Features & Capabilities - Comprehensive analysis of what each option offers
- User Reviews - Aggregated feedback from real users across platforms
- Expert Opinions - Professional reviews and industry recognition
- Value for Money - Cost-effectiveness relative to features
- Reliability & Support - Track record and customer service quality
Rankings are updated continuously as new information becomes available.