2FA.cx - 身份验证器 | TOTP 两步验证
Chrome extension by doingfb · Productivity · Tools
A Chrome extension in Productivity · Tools with 416 users, barely installed. Audience over the last 30 days: +208.
No site access is declared in the manifest, so it cannot read the pages you open on its own.
What the developer says, and 4 screenshots
Loading from the Chrome Web Store. Open the listing if it does not appear.
- Users
- 416
- Users, last 30 days
- +208
- Version
- 1.0.1
- Updated in the store
- 2026-04-23
- Published
- 2026-04-22
- Manifest
- V3
- Browser access
- 4 permissions
How it has moved
- 2026-10-04179
- 2026-10-08167
- 2026-10-09186
- 2026-10-10198
- 2026-10-13357
- 2026-10-16375
- 2026-10-18374
- 2026-10-19367
- 2026-10-20372
- 2026-10-21338
- 2026-10-22348
- 2026-10-23345
- 2026-10-24348
- 2026-10-25355
- 2026-10-28399
- 2026-10-29403
- 2026-10-30411
- 2026-11-01416
- 2026-09-01323
- 2026-09-02331
- 2026-09-05333
- 2026-09-06341
- 2026-09-07345
- 2026-09-09341
- 2026-09-10340
- 2026-09-13364
- 2026-09-15368
- 2026-09-17373
- 2026-09-20255
- 2026-09-21249
- 2026-09-25212
- 2026-09-26202
- 2026-09-28208
- 2026-10-04179
- 2026-10-08167
- 2026-10-09186
- 2026-10-10198
- 2026-10-13357
- 2026-10-16375
- 2026-10-18374
- 2026-10-19367
- 2026-10-20372
- 2026-10-21338
- 2026-10-22348
- 2026-10-23345
- 2026-10-24348
- 2026-10-25355
- 2026-10-28399
- 2026-10-29403
- 2026-10-30411
- 2026-11-01416
A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.
What it can reach
No site access is declared in the manifest, so it cannot read the pages you open on its own.
-
Run its own code on the pages it can access
scripting -
Act on the current tab, but only after you click it
activeTab -
Show you notifications
notifications
Show the remaining 1
-
Store data in your browser
storage
What changed recently
Nothing has moved on this listing since we started watching it.
The publisher
doingfb publishes 2 listings we track, 912 users between them.
-
AdSave - Facebook广告资料库视频免费下载助手 496 users
Like this one
Listings the catalog judges closest in what they say they do.
-
2FA Authenticator 203 users
-
2FA Generator / 2FA 验证器 - Local Authenticator 9 users
-
2FA Auth 13 users
-
2FA Vault: Two-Step Verification Dynamic Code 3 users
-
Nx 2FA 3 users (last published figure)
The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.
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The badge shows the audience and rating from our last pass over the store and links back to this page.
[](https://extops.dev/extensions/hdamcmddapbnhchlefojjoeiilbfdfhc)<a href="https://extops.dev/extensions/hdamcmddapbnhchlefojjoeiilbfdfhc"><img src="https://extops.dev/extensions/hdamcmddapbnhchlefojjoeiilbfdfhc/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.