Sicherheit

BIP39 Mnemonic-Generator

Erzeugen Sie kryptografisch sichere BIP39-Seed-Phrasen (12/15/18/21/24 Wörter) — 100% offline mit der auditierten @scure/bip39-Bibliothek

BIP39 Mnemonic Generator

Cryptographically secure HD-wallet seed phrase, generated entirely in your browser

12 words = 128 bits of entropy

Your Seed Phrase

A different passphrase derives a completely different seed — there is no way to know if the passphrase is "correct".

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Validate an Existing Mnemonic

About BIP39

  • BIP39 is the standard for human-readable seed phrases used by virtually all hardware and software wallets.
  • The last word encodes a checksum, so a typo in any word usually produces an invalid phrase.
  • The seed phrase + an optional passphrase is fed through PBKDF2-HMAC-SHA512 (2048 rounds) to derive a 512-bit seed.
  • That seed is the root of an HD wallet (BIP32) — every BTC/ETH/SOL address you ever derive comes from it.

Anyone with this phrase controls all funds derived from it.

For real funds, generate seeds on a hardware wallet or a fully air-gapped machine. Never type a real seed phrase into a website you do not control. Consider this tool for learning, testnet wallets, and burner accounts only.

Generated entirely in your browser using crypto.getRandomValues() via the audited @scure/bip39 library. Nothing is sent to any server.

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