Convert Google Authenticator otpauth-migration://offline?data=...
transfer links
to plain otpauth links.
- Navigate to ⋮ → Transfer accounts → Export accounts.
- Extract migration link from QR-code using your preferred software.
- Pass link to
otpauthtool.
-dump
dump as prototext
-eval
evaluate otps
-http string
serve http (e.g. localhost:6060)
-info
display batch info
-link string
migration link (required)
-qr
generate QR-codes (optauth://)
-rev
reverse QR-code (otpauth-migration://)
-workdir string
working directory
go install github.com/dim13/otpauth@latest
Or get latest binary release.
~/go/bin/otpauth -link "otpauth-migration://offline?data=CjEKCkhlbGxvId6tvu8SGEV4YW1wbGU6YWxpY2VAZ29vZ2xlLmNvbRoHRXhhbXBsZTAC"
Will output:
otpauth://totp/Example:alice@google.com?issuer=Example&secret=JBSWY3DPEHPK3PXP
~/go/bin/otpauth -qr -link "otpauth-migration://offline?data=CjEKCkhlbGxvId6tvu8SGEV4YW1wbGU6YWxpY2VAZ29vZ2xlLmNvbRoHRXhhbXBsZTAC"
# view and scan *.png in current working directory
Will generate:
~/go/bin/otpauth -http=localhost:6060 -link "otpauth-migration://offline?data=CjEKCkhlbGxvId6tvu8SGEV4YW1wbGU6YWxpY2VAZ29vZ2xlLmNvbRoHRXhhbXBsZTAC"
Navigate to http://localhost:6060/
docker run --rm -p 6060:6060 -v $(pwd)/workdir:/app/workdir \
ghcr.io/dim13/otpauth:latest \
-workdir /app/workdir -http :6060 \
-link "otpauth-migration://offline?data=CjEKCkhlbGxvId6tvu8SGEV4YW1wbGU6YWxpY2VAZ29vZ2xlLmNvbRoHRXhhbXBsZTAC"
-p 6060:6060
Map the host 6060 to the containr 6060
-v $(pwd)/workdir:/app/workdir
Map the host dir to the containr dir
Navigate to http://localhost:6060/
See also https://github.com/dim13/2fa for a simple CLI 2FA evaluator.