# CryptoData

> Easily and quickly to encrypt / decrypt: Private messages via e-mail, blogs, social networks, forums, websites, images, etc Support: Firefox, Thunderbird and SeaMonkey

Canonical page: [https://chrome-stats.com/d/crypto-data](https://chrome-stats.com/d/crypto-data)

## Overview

- **ID:** `crypto-data`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Oleksandr
- **Category:** privacy-security,social-communication
- **Daily users:** 298
- **Weekly downloads:** 3
- **Rating:** 4.22 / 5 (36 ratings)
- **Version:** 3.7resigned1
- **Last updated:** 2024-04-25
- **First published:** 2015-01-02
- **Size:** 100 KB
- **Data as of:** 2026-09-14
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/crypto-data/)
- **Website:** [http://forums.mozillazine.org/viewtopic.php?f=48&t=2902265](http://forums.mozillazine.org/viewtopic.php?f=48&t=2902265)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/crypto-data/privacy/](https://addons.mozilla.org/firefox/addon/crypto-data/privacy/)

## Description

CryptoData is a powerful Chrome extension designed to provide quick and easy encryption and decryption of private messages across various platforms including emails, blogs, social networks, forums, websites, and images. It leverages the US military standard Advanced Encryption Standard (AES) with a JavaScript AES CTR implementation, ensuring robust cryptographic security directly on the client side without exposing data to external services.

Users can simply select any text in their browser and use the context menu to encrypt or decrypt it seamlessly, with an option for automatic decryption. For webmasters, CryptoData allows encrypting entire website content or specific elements, providing enhanced security against common threats like proxies, sniffers, and trojans. The extension supports multiple browsers including Chrome, Firefox, Thunderbird, and SeaMonkey, making it versatile for both everyday users and professionals concerned about data privacy.

## Rankings

- #6,779 — Overall
- #5 — crypto
- #5 — earn crypto
- #10 — encrypt
- #12 — x data
- #28 — data

## Permissions and access

### Permissions

- `activeTab`
- `background`
- `contextMenus`
- `storage`
- `tabs`
- `notifications`
- `clipboardWrite`
- `webRequest`
- `webRequestBlocking`
- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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).

## Review summary

### Pros

- Easy to use
- Helpful in translation
- Idea is good

### Cons

- Keys are stored in plaintext
- Manageable dialogs are required
- Automatic decoding and encryption is lacking

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