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Google Authenticator migration decoder

Convert Google Authenticator transfer links to plain otpauth links.

Usage

  • Navigate to ⋮ → Transfer accounts → Export accounts.
  • Extract migration link from QR-code using your preferred software.
  • Pass link to otpauth tool.

Flags

  -eval
    	evaluate otps
  -http string
	serve http (e.g. localhost:6060)
  -link string
    	migration link (required)
  -qr
    	generate QR-codes

Example

NOTE: Go 1.16 required

go get github.com/dim13/otpauth
~/go/bin/otpauth -link "otpauth-migration://offline?data=CjEKCkhlbGxvId6tvu8SGEV4YW1wbGU6YWxpY2VAZ29vZ2xlLmNvbRoHRXhhbXBsZTAC"

# Output:
otpauth://totp/Example:[email protected]?issuer=Example&secret=JBSWY3DPEHPK3PXP

QR-Codes

~/go/bin/otpauth -qr -link "otpauth-migration://offline?data=CjEKCkhlbGxvId6tvu8SGEV4YW1wbGU6YWxpY2VAZ29vZ2xlLmNvbRoHRXhhbXBsZTAC"
# view and scan *.png in current working directory

Serve http

~/go/bin/otpauth -http=localhost:6060 -link "otpauth-migration://offline?data=CjEKCkhlbGxvId6tvu8SGEV4YW1wbGU6YWxpY2VAZ29vZ2xlLmNvbRoHRXhhbXBsZTAC"

Navigate to http://localhost:6060/