Best alternatives to Open Two-Factor Authenticator (2026)
6 Chrome extensions that do a similar job to Open Two-Factor Authenticator, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
Open Two-Factor Authenticator today
Open Two-Factor Authenticator alternatives, compared
- 1
Authenticator App
Secure two-factor authentication app for iPhone, iPad, iPod, Apple Watch and Mac.
≈20K users2.5★ from 22 ratingsUpdated 3 months ago3 permissions- About 2.0× more users than Open Two-Factor Authenticator
- Updated more recently
- Asks for more permissions (3 vs 2)
- 2
TOTP Authenticator
Get 2FA OTP instantly from your mobile. Works with TOTP Authenticator mobile app.
≈20K users2.1★ from 22 ratingsUpdated 14 months ago8 permissions- About 2.0× more users than Open Two-Factor Authenticator
- Updated more recently
- Asks for more permissions (8 vs 2)
- 3
2! Authenticator
The private, offline 2FA Authenticator. Import accounts from mobile apps and generate TOTP codes securely
≈10K users4.0★ from 15 ratingsUpdated 7 weeks ago3 permissions- A similar number of users to Open Two-Factor Authenticator
- Updated more recently
- Asks for more permissions (3 vs 2)
- 4
CK-Authenticator G3
ContentKeeper Authenticator G3
≈1M users1.1★ from 86 ratingsUpdated 3 months ago5 permissions- About 100× more users than Open Two-Factor Authenticator
- Updated more recently
- Asks for more permissions (5 vs 2)
- 5
Omnimed-QHR authenticator
This extension allows healthcare workers from the province of Quebec to get securely authenticated with the QHR access device.
≈40K users3.0★ from 2 ratingsUpdated 7 months ago2 permissions- About 4.0× more users than Open Two-Factor Authenticator
- Updated more recently
- 6
2FA Authenticator
This extension generates 2FA authentication codes in your browser.
≈4K users3.5★ from 4 ratingsUpdated 3 months ago4 permissions- About 2.5× fewer users than Open Two-Factor Authenticator
- Updated more recently
- Asks for more permissions (4 vs 2)
Open Two-Factor Authenticator alternatives: questions
What is the best alternative to Open Two-Factor Authenticator?
By users, the most popular alternative is CK-Authenticator G3 with ≈1M users and a 1.1-star rating. The closest match by what it does is Authenticator App.
Which Open Two-Factor Authenticator alternative has the best rating?
CK-Authenticator G3 has the highest rating of these alternatives with 50+ ratings: 1.1 out of 5 from 86 ratings.
How many alternatives to Open Two-Factor Authenticator are there?
We list 6 close alternatives to Open Two-Factor 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.