{
  "slug": "bip39-mnemonic-generator",
  "name": "gizza-ai/bip39-mnemonic-generator",
  "version": "0.1.0",
  "title": "BIP39 Mnemonic Seed Phrase Generator — gizza.ai",
  "description": "Generate a BIP39 mnemonic seed phrase (12–24 words) with checksum and derived 512-bit seed, entirely in your browser. Optional passphrase. Free and private.",
  "tags": [
    "bip39",
    "mnemonic",
    "seed phrase",
    "recovery phrase",
    "crypto wallet",
    "bitcoin",
    "hd wallet",
    "bip32",
    "bip44",
    "entropy"
  ],
  "category": "security",
  "urls": {
    "page": "https://gizza.ai/tools/bip39-mnemonic-generator/",
    "markdown": "https://gizza.ai/tools/bip39-mnemonic-generator/index.md",
    "descriptor": "https://gizza.ai/tools/bip39-mnemonic-generator/tool.json",
    "deep_link_example": "https://gizza.ai/tools/bip39-mnemonic-generator/?strength=128&entropy_hex=leave%20blank%20to%20generate%20random%20entropy&passphrase=correct%20horse%20battery%20staple"
  },
  "cli": "gizza tool bip39-mnemonic-generator 'strength=128'",
  "tool": {
    "description": "Generate a BIP39 mnemonic seed phrase (12–24 words) from cryptographically secure entropy, with the BIP39 checksum word, and derive the 512-bit BIP39 seed. Optional explicit entropy_hex for deterministic recovery and an optional passphrase mixed into the seed.",
    "parameters": {
      "additionalProperties": false,
      "properties": {
        "entropy_hex": {
          "type": "string"
        },
        "passphrase": {
          "type": "string"
        },
        "strength": {
          "default": "128",
          "enum": [
            "128",
            "160",
            "192",
            "224",
            "256"
          ],
          "type": "string"
        }
      },
      "type": "object"
    }
  }
}