Sync.com
Privacy-focused cloud storage with zero-knowledge encryption and generous free tier.
Overview
Sync.com is a privacy-focused cloud storage with zero-knowledge encryption and generous free tier. It handles zero knowledge, e2e encryption, file sync, and sharing, and it's best suited for users wanting zero-knowledge encrypted storage. It has been around since 2011, giving it a 15-year head start in building out integrations and refining the product.
The free plan offers 5 gb free. It's aimed at individual users, so it's fast to set up but may lack team-management features if you scale.
Strengths
- Includes Zero Knowledge as a core feature, purpose-built for file storage workflows
- End-to-end encryption by default — messages are unreadable even to the server operator
- 5 GB free — generous enough for most small teams to get real work done
- Established product with 15+ years on the market and a mature ecosystem
Weaknesses
- Free plan exists but key features are locked behind the paid upgrade
- Fewer built-in features means you may need additional tools to cover gaps
- Syncing large folders can be slow and occasionally causes file conflicts
- Limited team/admin features if your organization eventually scales up
Quick info
- Category
- File Storage
- Starting price
- Free
- Free tier
- Yes — 5 GB free
- Open source
- No
- Best for
- Individuals
- Founded
- 2011
Last updated 2026-04-12
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