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Best alternatives to Authenticator - 2FA (2026)

10 Chrome extensions that do a similar job to Authenticator, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.

Authenticator: reviews, users and permissionsBest Tools extensions

Authenticator - 2FA today

≈30K users4.6★ from 10 ratingsUpdated 7 days ago4 permissions

Authenticator alternatives, compared

  1. 1

    Authenticator: Generate 2FA Codes in Browser

    Generate 2FA codes instantly. Secure, encrypted, easy to use, and offline — an authenticator that stays in your browser.

    ≈2K users4.2★ from 5 ratingsUpdated 9 months agoNo special permissions
    • About 15× fewer users than Authenticator
    • Updated less recently
    • Asks for fewer permissions (0 vs 4)
    • Listed under Privacy & Security
    Compare side by side
  2. 2

    2FA Authenticator

    Fast, offline 2FA codes in your browser — TOTP two-factor authentication. Quick import from Google Authenticator.

    ≈200K users4.9★ from 324 ratingsUpdated 6 days ago5 permissions
    • About 6.7× more users than Authenticator
    • Asks for more permissions (5 vs 4)
    2FA Authenticator alternativesCompare side by side
  3. 3

    TOTP Authenticator - 2FA OTP Code Generator

    Secure and fast TOTP authenticator for 2FA login. Generate OTP codes offline and manage multiple accounts easily.

    ≈2K users5.0★ from 9 ratingsUpdated 4 days ago4 permissions
    • About 15× fewer users than Authenticator
    TOTP Authenticator alternativesCompare side by side
  4. 4

    2FA Authenticator

    Free 2FA Authenticator app, Chrome extension alternative to Google Authenticator.

    ≈2K users4.0★ from 8 ratingsUpdated 7 months ago5 permissions
    • About 15× fewer users than Authenticator
    • Updated less recently
    • Asks for more permissions (5 vs 4)
    2FA Authenticator alternativesCompare side by side
  5. 5

    Authenticator

    Generate TOTP codes like Google Authenticator.

    ≈90K users3.8★ from 41 ratingsUpdated 15 months ago2 permissions
    • About 3.0× more users than Authenticator
    • Updated less recently
    • Asks for fewer permissions (2 vs 4)
    Authenticator alternativesCompare side by side
  6. 6

    Authenticator

    Authenticator generates two-factor authentication codes in your browser.

    ≈8K users3.0★ from 2 ratingsNot updated for 2+ years6 permissions
    • About 3.8× fewer users than Authenticator
    • Updated less recently
    • Asks for more permissions (6 vs 4)
    Authenticator alternativesCompare side by side
  7. 7

    Authenticator App

    Use authenticator app as your best 2 factor authentication tool. Generate two factor authentication codes in browser.

    ≈20K users3.8★ from 15 ratingsUpdated 7 months ago5 permissions
    • About 1.5× fewer users than Authenticator
    • Updated less recently
    • Asks for more permissions (5 vs 4)
    Authenticator App alternativesCompare side by side
  8. 8

    Authenticator Pro

    Authenticator Pro is a powerful tool that generates a One-Time Password (OTP) every 30 seconds based on a provided secret.

    ≈7K users4.8★ from 11 ratingsUpdated 7 months ago3 permissions
    • About 4.3× fewer users than Authenticator
    • Updated less recently
    • Asks for fewer permissions (3 vs 4)
    Authenticator Pro alternativesCompare side by side
  9. 9

    Fenko Vault | Passkey and MFA Manager

    Cross-platform passkey & MFA manager — sync passkeys and 2FA codes across your devices, end-to-end encrypted, no cloud account.

    ≈20K users5.0★ from 2 ratingsUpdated 12 days ago3 permissions
    • About 1.5× fewer users than Authenticator
    • Asks for fewer permissions (3 vs 4)
    • Listed under Privacy & Security
    Fenko Vault alternativesCompare side by side
  10. 10

    Browsing Protection

    Extension for protecting encrypted browsing with security products.

    ≈2M users3.3★ from 599 ratingsUpdated 8 days ago9 permissions
    • About 67× more users than Authenticator
    • Asks for more permissions (9 vs 4)
    Browsing Protection alternativesCompare side by side

Authenticator alternatives: questions

What is the best alternative to Authenticator?

By users, the most popular alternative is Browsing Protection with ≈2M users and a 3.3-star rating. The closest match by what it does is Authenticator: Generate 2FA Codes in Browser.

Which Authenticator alternative has the best rating?

2FA Authenticator has the highest rating of these alternatives with 50+ ratings: 4.9 out of 5 from 324 ratings.

Is there a Authenticator alternative that asks for fewer permissions?

Authenticator: Generate 2FA Codes in Browser asks for 0 permissions, against 4 for Authenticator.

How many alternatives to Authenticator are there?

We list 10 close alternatives to Authenticator on the Chrome Web Store, picked by what they do and ranked by how close they are.

Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.