---
title: "2FA.cx - 身份验证器 | TOTP 两步验证 – Chrome extension stats, history and permissions"
description: "202 users, no ratings yet. Version 1.0.1, updated 2026-04-23. Requests 4 permissions."
url: "https://extensiontracker.com/extension/hdamcmddapbnhchlefojjoeiilbfdfhc"
---

# 2FA.cx - 身份验证器 \| TOTP 两步验证

Live in the Chrome Web Store.

- Users: 202
- Rating: no ratings yet
- Last checked: 2026-09-27 02:14 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #49,835 of 264,702 live extensions
- Rank in Tools: #14,725 of 103,498

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> 本地生成 TOTP/2FA 两步验证码，支持扫码/截图/手动添加，无需手机，安全离线

- Extension ID: `hdamcmddapbnhchlefojjoeiilbfdfhc`
- Developer: [doingfb](https://extensiontracker.com/developer/u01419020b39c886fb2686666d06b3508)
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2026-04-22
- Last updated: 2026-04-23
- Version: `1.0.1`
- Size: 268 KiB
- Minimum Chrome: 88
- Languages (1): 中文（中国）
- Privacy policy: `https://2fa.cx/privacy`
- Chrome Web Store: <https://chromewebstore.google.com/detail/2facx-%E8%BA%AB%E4%BB%BD%E9%AA%8C%E8%AF%81%E5%99%A8-totp-%E4%B8%A4%E6%AD%A5%E9%AA%8C%E8%AF%81/hdamcmddapbnhchlefojjoeiilbfdfhc>
- View the code or download the CRX, in CRX Peek: <https://crxpeek.com/?id=hdamcmddapbnhchlefojjoeiilbfdfhc>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 202 | – | – |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `notifications`: Show notifications
- `scripting`: Run scripts on sites it can reach
- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [AdSave - Facebook广告资料库视频免费下载助手](https://extensiontracker.com/extension/gadgnfloibggempdfnfjmidlllpghckn) | 393 | – | – | Tools |

All 2 extensions by [doingfb](https://extensiontracker.com/developer/u01419020b39c886fb2686666d06b3508).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-27 02:14 UTC; next check around 2026-10-20.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “2FA.cx - 身份验证器 \| TOTP 两步验证” (hdamcmddapbnhchlefojjoeiilbfdfhc). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/hdamcmddapbnhchlefojjoeiilbfdfhc. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_hdamcmddapbnhchlefojjoeiilbfdfhc,
  title   = {2FA.cx - 身份验证器 | TOTP 两步验证 (hdamcmddapbnhchlefojjoeiilbfdfhc)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/hdamcmddapbnhchlefojjoeiilbfdfhc},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/hdamcmddapbnhchlefojjoeiilbfdfhc>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.