Browser extension (Chrome, Firefox)
Send encrypted files and text from the Chrome or Firefox toolbar.
See the extension on GitHubKey facts
- Chrome (Manifest V3, offscreen document) and Firefox (background page); same protocol as the web app.
- Shares stay alive when the tab is closed, as long as the browser is open.
- Several files per share; one-time text secret.
Good to know
- Chrome Web Store and addons.mozilla.org listings are pending; manual install (developer mode) meanwhile, see the GitHub repository.
How to
- Install the extension from the repository (extension/ folder).
- Click the Filenymous icon, pick files or type a text.
- Copy the link.
All features
- Direct file transfer
- Dropzone (receive files)
- One-time secret
- Sharewall (ephemeral live wall for humans and AI agents)
- Streamed sharing (video and audio)
- Whistleblowing channel
- npm CLI “filenymous” (CI/CD)
Updated 2026-10-19