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CryptPad

French E2E encrypted collaborative suite — documents, spreadsheets, forms, and whiteboards with zero-knowledge.

CryptPad is a French open-source collaborative office suite that encrypts all documents client-side before they reach the server. It includes rich-text documents, spreadsheets, presentations, forms, whiteboards, and a Kanban board — all E2E encrypted. The server sees only encrypted blobs; the CryptPad team cannot read your content. The free hosted instance at cryptpad.fr offers 1 GB; paid plans add more storage and priority support. Self-hosting is also supported via Docker.

Best for

Privacy-first teams who need collaborative document editing with guaranteed zero-knowledge encryption.

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Strengths & Limitations

Strengths

  • + All documents E2E encrypted client-side — the server sees only encrypted blobs
  • + Full collaborative suite: docs, spreadsheets, forms, whiteboards, and Kanban
  • + Open-source with self-host option; French jurisdiction under GDPR

Limitations

  • Smaller feature set than Google Docs or Office 365 — no macros, pivot tables, or advanced formatting
  • Free tier limited to 1 GB; larger teams need a paid plan or self-hosted instance
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Expert Verdict

The only collaborative suite where the provider truly cannot read your docs — zero-knowledge by design.

Real-world Scenarios

Productivity scenario

Choose CryptPad when your priority is productivity and you need privacy-first teams who need collaborative document editing with guaranteed zero-knowledge encryption..

Privacy scenario

Choose CryptPad when your priority is privacy and you need privacy-first teams who need collaborative document editing with guaranteed zero-knowledge encryption..

When to Choose CryptPad

  • Best for: Privacy-first teams who need collaborative document editing with guaranteed zero-knowledge encryption.
  • Skill Level: beginner
  • Team Size: teams

Product Details

Deployment
cloud
Skill Level
beginner
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