# SeeOnce Privacy

> High strength end-to-end encryption with perfect forward secrecy for your favorite email, plus real-time secure chat

Canonical page: [https://chrome-stats.com/d/seeonce-privacy](https://chrome-stats.com/d/seeonce-privacy)

## Overview

- **ID:** `seeonce-privacy`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** F. Ruiz
- **Category:** privacy-security,social-communication,other
- **Daily users:** 1
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.2.13
- **Last updated:** 2023-03-23
- **First published:** 2017-11-13
- **Size:** 141 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/seeonce-privacy/)
- **Website:** [http://see-once.weebly.com](http://see-once.weebly.com/)

## Description

SeeOnce Privacy is a Firefox add-on that encrypts emails and self-destructs them after the recipient reads them. It ensures forward secrecy, doesn't store private content, and offers real-time secure chat.

## Rankings

- #82,326 — Overall
- #171 — data privacy
- #197 — privacy

## Permissions and access

### Permissions

- `storage`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [PassLok Privacy](https://chrome-stats.com/d/passlok-privacy) — 11 users, 5.00 / 5
- [KyberLock](https://chrome-stats.com/d/kyberlock) — 3 users
- [PassLok for Email](https://chrome-stats.com/d/passlok-for-email) — 49 users, 4.67 / 5
- [NSS Communicator](https://chrome-stats.com/d/nss-communicator) — 1 users
- [SecNote Messages encryption](https://chrome-stats.com/d/secnote-messages-encryption)
- [SecureSend - Secure Secret Sharing](https://chrome-stats.com/d/securesend)
- [Crypto Sender](https://chrome-stats.com/d/crypto-sender) — 5.00 / 5
- [Stop Peeking!](https://chrome-stats.com/d/stop-peeking) — 1 users
- [LockMagic Web Apps](https://chrome-stats.com/d/lockmagic-web-apps) — 4 users, 3.00 / 5
- [Sealist](https://chrome-stats.com/d/sealist) — 1 users, 5.00 / 5
- [FigLeaf](https://chrome-stats.com/d/figleaf)
- [PassLok Universal](https://chrome-stats.com/d/passlok-universal) — 10 users, 5.00 / 5

---

Source: [Chrome-Stats](https://chrome-stats.com/d/seeonce-privacy)
