not-th.re
Client-side encrypted paste and file sharing with Monaco editor
16 stars 1 forks last commit first released AGPL-3.0
Actively maintained
Last commit 30 Jul 2026.

not-th.re is a lightweight paste and file sharing platform focused on simplicity and client-side encryption. It provides a modern editor experience and tools to host a private instance or use the public UI.
Key Features
- Client-side end-to-end encryption: data is encrypted in the browser before being sent to the server
- Monaco-based editor with syntax highlighting and dark mode
- Simple paste sharing and encrypted file transfers
- CLI and SDK to upload, download, encrypt, decrypt and query notes programmatically
- Can run as a minimal API-only service or as a full stack (API + UI) via Docker images
- Integration with Excalidraw for drawings and planned features like peer-to-peer sessions and note bundles
- No tracking, no cookies, and no ads by design
Use Cases
- Securely share code snippets or notes that remain encrypted until opened by recipients
- Transfer and store small encrypted files between collaborators without third-party storage
- Integrate paste and secret-sharing into automation or developer tooling using the CLI/SDK
Limitations and Considerations
- No built-in user accounts or server-side key recovery; if encryption keys are lost, data cannot be recovered
- Micro deployment mode does not include a hosted UI; it requires either the public UI or hosting the UI separately
- Intended for short-lived pastes and small file transfers rather than large-scale file storage or full collaboration suites
not-th.re is best suited for users and teams that need a minimal, privacy-first paste and file sharing tool with client-side encryption and programmatic access. It is easy to deploy with Docker and offers a CLI and SDK for automation and integration.
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