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TOOL PROFILE

Obsidian

A local-first notes app that stores notes as plain files, with optional paid sync and community plugins.

Published Oct 31, 2026Privacy fit: Somewhat PrivateResearch: research only
Best forPeople who want local Markdown files and control over storage and backups.
Plan typeFreemium
Open sourceNo
Research transparency

Product details checked on 2026-10-31.

Obsidian keeps notes as files on your device, which makes it easy to choose your own backup system and leave without a proprietary export. If you enable sync or install community plugins, review the data flows first. A local vault is only as private as the device and backups that contain it.

What it offers

  • Notes stored as local Markdown files
  • No account required for local use
  • Optional sync and community plugins

Limitations

  • Sync is a separate service and is not the default local-only model.
  • Plugins can access vault contents.
  • The core app is not open source.

Explore the official provider

Before deciding, review current product documentation, service terms and plan details.

Official website

Frequently asked questions

Does this tool guarantee anonymity?

No. Every product has limits, and your device, accounts, settings, and the people you communicate with still matter. Review the listed sources before relying on it.

Sources and further reading

Review source dates and policies before acting; external pages may change.

  1. obsidian.md ↗
  2. obsidian.md ↗