Convert LastPass Authenticator JSON export to Aegis. This does not access your LastPass account or interact with any external resources for security. Please remember to delete your export files after you have imported them to Aegis as they could be used to retrieve your tokens.

lp_aegis_convert.py

import json
import argparse
from pathlib import Path

def main(path):
    lp_json = Path(path)
    with open(lp_json) as fd:
        lp_data = json.load(fd)
    ae_entries = []
    ae_data = {
        "version": 1,
        "header": { "slots": None, "params": None },
        "db": { "version": 2, "entries": ae_entries },
    }
    for account in lp_data.get("accounts", []):
        entry = {
            "type": "totp",
            "uuid": account.get("accountID"),
            "name": account.get("userName", ""),
            "issuer": account.get("originalIssuerName") if len(account.get("originalIssuerName", "")) > 0 else account.get("issuerName", ""),
            "note": None,
            "favorite": account.get("isFavorite", False),
            "icon": None,
            "info": {
                "secret": account.get("secret").replace(" ", "") if "secret" in account else None,
                "algo": account.get("algorithm"),
                "digits": account.get("digits"),
                "period": account.get("timeStep"),
            },
        }
        ae_entries.append(entry)
    ae_json = lp_json.parent / f"aegis_{lp_json.name}"
    with open(ae_json, "w") as fd:
        json.dump(ae_data, fd)
    print(f"Converted. Export file: {ae_json}")


if __name__ == "__main__":
    parser = argparse.ArgumentParser("LastPass Authenticator to Aegis JSON Converter")
    parser.add_argument("filename", help="LastPass Authenticator JSON File")
    args = parser.parse_args()
    main(args.filename)