Overview

Standard Notes was founded in 2012, is headquartered in the USA (remote), and was created by Mo Bitar. It is a security-first notes app in the productivity space built around privacy and end-to-end encryption (E2EE). All notes are encrypted on-device before upload, so the server only stores ciphertext and cannot read user content even if compromised; the client code is fully open source and auditable by the community.

Standard Notes covers iOS, Android, Windows, macOS, Linux and Web, with encrypted account sync, extension editors (Markdown, Code, Spreadsheets and more), theme customization and Two-Factor Auth, and it supports self-hosted sync servers. With the combination of encryption, open source and cross-platform support, it has become a common choice for lawyers, journalists, healthcare professionals and other users highly sensitive about data privacy, and it is a benchmark product in the encrypted-notes category.

Key Strengths

  • True end-to-end encryption: Notes are encrypted on-device before upload and the server cannot read plaintext; combined with AES-256 encryption and strong key derivation, content is technically visible only to the owner.
  • Open source and auditable: Client code is public, the security model is transparent and verifiable, and the community can audit it; trust cost is lower than black-box encryption products.
  • Cross-platform encrypted sync: iOS, Android, Windows, macOS, Linux and Web are all covered, with encrypted account sync; see productivity tools collection for notes tool selection.
  • Self-hostable: The open-source sync server can be self-deployed, giving teams with data-localization and compliance needs full control over data; see the data governance thinking in enterprise knowledge base setup.
  • Security and usability together: Two-Factor Auth, login keys and extension editors keep practical Markdown, code and spreadsheet features while staying security-first.

Product Ecosystem

End-to-End Encryption Core

All notes are encrypted on-device with strong encryption before upload, and keys exist only on user devices, so the server stores only ciphertext and cannot read content by design.

Cross-Platform Clients

Full coverage of iOS, Android, Windows, macOS, Linux and Web with a unified interface; logging in syncs automatically with encryption, letting users access notes securely on any device.

Extension Editors

Official and community extensions provide Markdown, Code, Spreadsheets, Rich Text and Task Editor editors, unlocked with a paid plan to balance security with diverse writing needs.

Theme System

Themes allow customizing light and dark appearances while end-to-end encryption remains unaffected.

Self-Hosted Sync Server

The open-source server can be self-deployed so data lives in the user's own environment, meeting data-localization and high-security compliance needs for enterprises and advanced users.

Account Security

Two-Factor Auth and login keys, together with strong key derivation, further harden account and data security.

Limitations

  • Basic free plan: Extension editors, themes and file uploads require a paid plan, leaving the free tier focused on plain text and core features.
  • Intentionally minimal interface: No block editor, databases or kanban views, so heavy knowledge management users need other tools.
  • Limited integrations: Third-party integration relies mostly on official extensions, and connecting to enterprise toolchains such as Slack or GitHub is harder than with platforms like Notion.
  • Default sync depends on official servers: Self-hosting requires technical effort, creating a migration barrier for non-technical users.

Use Cases

  • Privacy-sensitive notes (recommended ★★★★★): End-to-end encryption plus auditable open source suits storing password hints, financial records and other sensitive content.
  • Compliance and professional scenarios (recommended ★★★★★): Lawyers, journalists and healthcare professionals with strict confidentiality needs.
  • Cross-platform encrypted sync (recommended ★★★★): Six-platform encrypted sync suits multi-device users who value privacy.
  • Developer technical notes (recommended ★★★★): Code and Markdown editors, paired with self-hosting, build a secure technical note-taking environment.
  • Team collaboration and project management (recommended ★★): Without real-time multi-user collaboration, databases or kanban views, such scenarios are better served by Notion.

Pricing

Plan Price Key Features
Free $0 End-to-end encryption, unlimited notes, 6-platform sync, 2FA
Plus ~$10/mo (annual is cheaper) Extension editors (Markdown/Code etc.), themes, file uploads
Enterprise / Self-hosted Custom Private sync server, team management, compliance needs

Note: Prices are reference prices from the official site; annual billing is cheaper than monthly. Check the official site for the latest plans and prices.

FAQ

  • Is Standard Notes really secure? Yes. Notes are encrypted on-device before upload, the server stores only ciphertext, and the client code is open source and auditable; this is the core difference from ordinary cloud notes, with privacy comparisons in productivity tools collection.

  • What is the difference between the free and paid plans? The free plan includes end-to-end encryption, unlimited notes, cross-platform sync and 2FA; extension editors (Markdown, Code etc.), themes and file uploads require a paid plan (about $10 per month, cheaper annually). Check the official site for details; for free-vs-paid notes tool selection see the productivity tools collection.

  • Can I self-host? Yes. The Standard Notes sync server is open source and can be self-deployed to your own environment, meeting data-localization and high-security compliance needs; self-hosting requires some technical effort, with data governance thinking in enterprise knowledge base setup.

  • Does it support Markdown and code? Yes. Paid plans unlock Markdown, Code, Spreadsheets and other extension editors, balancing security with diverse writing needs; developers can also combine it with tools such as Joplin.

  • How is it different from Simplenote and Obsidian? Simplenote is free and minimal but unencrypted; Obsidian is local-first and free but not end-to-end encrypted by default; Standard Notes differentiates with default end-to-end encryption plus auditable open source. For encrypted notes selection compare Obsidian and Simplenote.