BIP39 Standard

Generate crypto wallets you can trust

Seed phrases, key pairs, and addresses for every major chain. Everything runs in your browser. Nothing touches a server. Ever.

Launch Generator → Learn more ↓
// generating 24-word mnemonic...
seed abandon ability able about above absent absorb abstract absurd abuse access accident acid acoustic acquire across act action actor actress actual adapt

// deriving addresses...
btc bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh
eth 0x71C7656EC7ab88b098defB751B7401B5f6d8976F
sol 7EcDhSYGxXyscszYEp35KHN8vvw3svAuLKTzXwCFLtV

// zero network requests. verified.
Why VaultSeed

The wallet generator that takes security seriously

🔒

Zero Server Contact

Your seed phrase is generated entirely in your browser using the Web Crypto API. No data is sent anywhere. Open your network tab and verify.

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Multi-Chain Derivation

One seed, every chain. Derive addresses for Bitcoin, Ethereum, Solana, BNB, Polygon, and more using standard derivation paths.

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Built to Educate

Every step is explained. Understand what entropy is, why checksums matter, and how your 24 words become a private key. Knowledge is security.

✈️

Offline-First Design

Download and run without internet. Air-gapped generation is the gold standard for key creation, and VaultSeed makes it effortless.

Supported Chains

One seed phrase, every blockchain

Bitcoin (BTC) Ethereum (ETH) Solana (SOL) BNB Chain Polygon Avalanche Arbitrum Optimism Base Cosmos

Your keys. Your coins. Your browser.

In 2025, over $1.1 billion was lost to wallet exploits. VaultSeed exists because trust should be verifiable, not assumed.

✓ Cryptographically secure entropy via Web Crypto API
✓ BIP39 / BIP32 / BIP44 standard compliant
✓ Open-source and auditable
✓ Works fully offline
✓ No analytics, no tracking, no cookies

Self-custody starts with self-generation

If you don't control how your keys are made, you don't control your keys. VaultSeed gives that power back.

Generate Your Wallet →