# CastPass

> CastpassはWebサイトからのログイン情報を保存し、Webサイトで自動的にパスワードを埋め込む拡張機能である。

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

## Overview

- **ID:** `castpass`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Cast-er Management
- **Category:** privacy-security
- **Daily users:** 1
- **Version:** 2.0.32.0
- **Last updated:** 2021-05-20
- **First published:** 2021-04-28
- **Size:** 4.09 MB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/castpass/)
- **Website:** [https://caster.co.jp/](https://caster.co.jp/)

## Description

CastPass is a Firefox add-on that allows you to securely store and manage personal information such as passwords, payment cards, and notes. Built on blockchain technology, it ensures high-level security and reliability. Available on iOS and Android platforms.

## Rankings

- #106,792 — Overall

## Permissions and access

### Permissions

- `http://*/*`
- `https://*/*`
- `storage`
- `tabs`
- `alarms`

### Content script matches

- `*`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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).

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