What this collection emphasizes
- Extension risks
- Local processing
- Developer testing
- Secret-handling warnings
Separate safe local tools from risky browser-based secret storage.
Browser Authenticator Tools
Understand browser extensions, local web tools, and developer-only TOTP testing utilities.
Extension risksLocal processingDeveloper testingSecret-handling warnings 3 apps
2
2FAS
Open-source posture and optional backup model make it strong for users who want transparency.
iosandroidbrowser free App export and migration support
K
Keeper Authenticator
Best evaluated as part of a broader Keeper deployment rather than a standalone TOTP app.
iosandroidweb freemium Managed through Keeper ecosystem
1
1Password
Convenient, but storing password and TOTP together changes the second-factor separation model.
iosandroidwindowsmacoslinux paid Vault-based item import/export