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2FA Authenticator in Browser

mozilla.orgBrowser DevTools & extensions

PulseGate's liveness check found it on 10 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 10 Sep 2026. How this is checked

2FA Authenticator in Browser is a Firefox extension that generates two-factor authentication codes in a browser sidebar. It stores authenticator data locally and does not transfer it to the developer's server; an Edge version is also available.

Inferred · not functionally tested

FreeWebEmbeddable
2FA Authenticator in Browser preview
Visit mozilla.org

Overview

5 features

Purpose: Generating two-factor authentication codes without switching away from the browser.

Inferred · not functionally tested

Audience: Firefox and Edge users who need browser-based 2FA codes

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: free · license: Proprietary · platforms: WEB · deployment: browser, embeddable

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: addons.mozilla.org · addons.mozilla.org. These links do not verify the individual claims.

2FA Authenticator in Browser is a Browser DevTools & extensions project. Inferred · not functionally tested: It focuses on generating two-factor authentication codes without switching away from the browser. Inferred · not functionally tested: 2FA Authenticator in Browser is a consumer product aimed at firefox and Edge users who need browser-based 2FA codes. Basis unknown · not verified: 2FA Authenticator in Browser is free to use. Basis unknown · not verified: It ships for the web and embeddable surfaces.

Behind 2FA Authenticator in Browser is Tzchz's Blog, and it first shipped in 2021. Inferred · not functionally tested: Key capabilities include browser sidebar, 2FA code generation, and local data storage. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Browser sidebar
  • 2FA code generation
  • Local data storage
  • Firefox support
  • Edge support

Topics: Inferred · not functionally tested

Tags
two-factor-authenticationtotp-generatorbrowser-sidebarlocal-storage

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserEmbeddable

Trust & compliance

Public signals
HTTPSPrivacy PolicyTerms of ServiceFree tierMulti-languageStore listing found
Legal
Privacy Policy Terms of Service

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed10 Sep · 09:48 UTC
    2FA Authenticator in Browser seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about 2FA Authenticator in Browser

What is 2FA Authenticator in Browser?
Inferred · not functionally tested: 2FA Authenticator in Browser focuses on generating two-factor authentication codes without switching away from the browser. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is 2FA Authenticator in Browser for?
Inferred · not functionally tested: 2FA Authenticator in Browser is a consumer product built for firefox and Edge users who need browser-based 2FA codes.
Is 2FA Authenticator in Browser free?
Basis unknown · not verified: Yes — 2FA Authenticator in Browser is free to use.
What platforms does 2FA Authenticator in Browser run on?
Basis unknown · not verified: 2FA Authenticator in Browser runs on the web and embeddable surfaces.
Is 2FA Authenticator in Browser still active?
PulseGate's liveness check found it on 10 Sep 2026.
What projects are similar to 2FA Authenticator in Browser?
Similar projects tracked by PulseGate include Two-Factor Authenticator, Authenticator, and totp-2fa.Two-Factor AuthenticatorAuthenticatortotp-2fa
Who develops 2FA Authenticator in Browser?
2FA Authenticator in Browser is developed by Tzchz's Blog.
When did 2FA Authenticator in Browser launch?
2FA Authenticator in Browser first shipped in 2021.

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