Authenticator (2FA)

Generate time-based one-time passwords (TOTP) and counter-based passwords (HOTP) for two-factor authentication. Securely store and manage 2FA codes for all your accounts.

Authenticator main screen
2FA Codes
Authenticator settings
Settings

Adding Accounts

1
Tap + Button

Hit the floating action button to add new account

2
Scan or Enter

Scan QR code from service or enter secret key manually

3
Review Details

Account details auto-fill. Verify issuer and account name.

4
Save

Entry is saved and codes start generating immediately

Code Types

TOTP (Time-based)

Codes change every 30 seconds. Most common type used by Google, Microsoft, GitHub, and most services.

HOTP (Counter-based)

Codes change with each use. Less common, used by some enterprise systems.

Using Codes

Entry Display

Issuer Service name (Google, Microsoft, etc.)
Account Your account identifier
Current Code 6 or 8-digit code
Time Remaining Seconds until refresh (TOTP)
Pro Tip: Tap any code to copy it to clipboard. Codes auto-clear after a short time for security.

Advanced Options

Algorithm

  • SHA1 (default, most services)
  • SHA256 (some newer services)
  • SHA512 (enterprise systems)

Digits

  • 6 digits (most common)
  • 8 digits (some services)

Period (TOTP)

  • 30 seconds (default)
  • 60 seconds (some services)
  • Custom periods supported

Time Offset

  • Adjust for clock sync issues
  • Fix codes that don't work
  • Usually not needed

Organization

Folders

Create folders in settings. Assign entries to folders. Filter by folder in main view.

Favorites

Tap favorite icon on entries. Favorites appear at top. Quick access to most-used codes.

Search

Search by issuer or account name. Real-time filtering as you type.

Sorting

Sort by name, date added, or most recently used.

Backup & Export

Export Entries

Backup authenticator entries to file. Can import into other apps or restore later.

QR Code Export

Export as QR codes for easy migration. Scan with another device or app.

Import

Import from backups or other authenticator apps. Supports standard formats.

Security: Store backup files securely. Anyone with your backup can generate your 2FA codes.

Troubleshooting

Codes Not Working

  • Check device time is correct
  • Verify secret key entered correctly
  • Check algorithm matches service
  • Try adjusting time offset

Time Sync Issues

  • Enable automatic time sync
  • Check device time is accurate
  • Adjust time offset in entry settings
  • Services allow small time window

QR Code Won't Scan

  • Grant camera permission
  • Ensure good lighting
  • Hold camera steady
  • Try manual entry instead

Lost Entry

  • Check if you have backup
  • Restore from backup if available
  • If no backup, set up 2FA again with service
  • Always keep backups