Notesnook
Claim this toolThe open-source, zero-knowledge private note-taking app for all your thoughts and ideas.
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Tracked since2026
0 reviews trackedThe Bottom Line
Entry price
Free, no paid tier
Biggest pro
Strong emphasis on privacy with end-to-end and at-rest encryption.
Biggest con
Free plan has limitations on storage, file size, and feature usage.
TL;DR - Notesnook
- End-to-end encrypted and zero-knowledge note-taking.
- Open-source and available across desktop, web, and mobile.
- Feature-rich with web clipping, linking, and reminders.
Pricing: Free forever
Best for: Individuals & startups
What is Notesnook?
Notesnook is an open-source and zero-knowledge private note-taking application designed for individuals who prioritize privacy and security. It encrypts all user data end-to-end before it leaves the device, ensuring that notes are secure from unauthorized access, even by the Notesnook team. The application offers seamless syncing across mobile, desktop, and web platforms, allowing users to access their encrypted notes from anywhere.
Beyond robust privacy features, Notesnook provides a rich set of note-taking functionalities, including various formatting options, task lists, tables, code blocks, and markdown support. It also includes features like a web clipper for saving web content privately, bidirectional note linking for organizing ideas, and reminders to keep track of tasks. With its commitment to open-source development and a focus on user privacy, Notesnook aims to be a secure and comprehensive alternative to other note-taking tools, offering peace of mind without sacrificing convenience.
Available on: Web, iOS, Android, Windows, macOS, Linux
Pros & Cons
Pros
- Strong emphasis on privacy with end-to-end and at-rest encryption.
- 100% open source, allowing for transparency and self-hosting.
- Available on multiple platforms (desktop, web, mobile) with seamless sync.
- Feature-rich for diverse note-taking needs.
- Community-driven open development.
Cons
- Free plan has limitations on storage, file size, and feature usage.
- Some advanced features like full offline mode are only available in the Pro plan.
Preview
Key Features
End-to-end encrypted note syncingEncryption at rest by defaultApp lock for secure accessDesktop, web, and mobile clientsOpen-source client apps and self-hostable sync serverShare notes with password protectionFree and open-source Web ClipperBidirectional note linking
Pricing Plans
Pricing checked Jul 7, 2026
Free
0 / month
- Storage 50MB/mo
- File size 10MB
- Full quality images
- Block-level note links
- Task list
- Outline list
- Callouts
- Colors 7
Reviews
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Notesnook FAQ
How does Notesnook ensure the privacy of my notes, even if my device is lost or stolen?
Notesnook encrypts all your data before it leaves your device, and it's stored encrypted in the cloud, on your device, and in transit. This means that if your device is lost or stolen, no one, including Notesnook, can access your notes.
What encryption standards does Notesnook use to protect user data?
Notesnook encrypts everything on your device using XChaCha20-Poly1305 and Argon2 to ensure zero-knowledge principles. This robust encryption is applied before data leaves your device.
Can I verify that my notes are truly encrypted by Notesnook?
Yes, Notesnook provides an open-source tool called Vericrypt for this purpose. Vericrypt uses real data from your account and operates 100% offline to verify the encryption of your notes.
What are the storage limitations for notes and files across the different Notesnook plans?
The Free plan offers 50MB/month storage with a 10MB file size limit. The Essential plan provides 1GB/month storage and a 100MB file size limit. Pro and Believer plans offer significantly more storage, with Pro providing 10GB/month and a 1GB file size limit, and Believer offering 25GB/month and a 5GB file size limit.
Where are Notesnook's servers located, and how has this changed over time?
Since August 2022, all user data has been migrated to servers in Germany on Hetzner. Prior to that, from April 2021 to August 2022, data was stored in Singapore on Upcloud. As of August 2024, attachments are stored on iDrive e2 in Germany, utilizing Cloudflare CDN for faster download speeds.
Does Notesnook offer any features for sharing notes securely with others?
Yes, Notesnook allows you to share notes with anyone and includes the option to password-protect these shared notes. This ensures that only you and the intended recipients can access the shared content.
Source: notesnook.com