Wallet EncryptionTool

Data

Password

File name (optional)

Seed Phrase (resolved from seed_phrase)

On decrypt, if JSON contains a string seed_phrase with nested ciphertext, it will be decrypted here. On encrypt, this field is encrypted and placed into seed_phrase.

Decrypted Data (JSON)

Paste/edit wallet JSON. On encrypt, it will be turned into a protected string.

Encrypted Data

Format: JSON { "0": ct, "1": iv1, "2": iv2 } in base64.

Format and compatibility

Implemented in JS using the Web Crypto API.

Algorithm: AES‑CBC 128 + PKCS7
KDF: PBKDF2‑HMAC‑SHA‑1, 1000 iterations, salt = IV2
Record: JSON { "0": ct, "1": iv1, "2": iv2 } (base64)

Encryption/Decryption logic

Decrypt: Decrypts the wallet JSON. If seed_phrase is a string with nested ciphertext (format {"0","1","2"}), it is additionally decrypted into the Seed Phrase field.
Encrypt: If the Seed Phrase field is filled, it is encrypted with the same password; the resulting JSON string is placed into seed_phrase, then the entire wallet object is encrypted.

Useful links

Komodo Wallet — wallet with import/export functionality that this utility works with
BIP39 Mnemonic Code Converter — tool for generating and converting BIP39 mnemonic phrases, working with BIP32 keys and derived addresses

⚠️ Disclaimer This utility is intended for technical specialists and users who understand what they are doing. The authors of this utility do not bear any responsibility for wallet damage, data loss, or any other problems that may arise during or as a result of using this utility. By using this utility, you assume all associated risks.