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Cryptgeon

Encrypted note and file sharing with self-destruct

Pastebins & Snippets ★ 1.5k stars Easy setup MIT

Cryptgeon is a self-hosted, encrypted note and file sharing service inspired by one-time secrets. Notes are encrypted in the browser and destroyed after being viewed or expiring.

Official siteSource code

Key features

  • Browser-side encryption
  • Self-destructing notes
  • File attachments
  • No persistent database

Strengths

  • Released under the MIT license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Active community (1.5k GitHub stars)

Is Cryptgeon secure?

OSV.dev has no published security advisories for Cryptgeon's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

Cryptgeon replaces

Self-hosted PrivateBin alternativesSelf-hosted One-Time Secret alternatives

Health badge

Maintain Cryptgeon? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 84 · excellent

Markdown
[![SelfHostIndex health score for Cryptgeon](https://selfhostindex.com/badge/cryptgeon.svg)](https://selfhostindex.com/app/cryptgeon/)
HTML
<a href="https://selfhostindex.com/app/cryptgeon/"><img src="https://selfhostindex.com/badge/cryptgeon.svg" alt="SelfHostIndex health score for Cryptgeon"></a>
reStructuredText
.. image:: https://selfhostindex.com/badge/cryptgeon.svg
   :alt: SelfHostIndex health score for Cryptgeon
   :target: https://selfhostindex.com/app/cryptgeon/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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