BIP39 Mnemonic Generator
Generate cryptographically random BIP39 mnemonic seed phrases (12, 15, 18, 21 or 24 words) for wallet backups and testing. Runs 100% offline in your browser.
For testing only. Generated locally with a CSPRNG — but never store real funds in a mnemonic that touched a browser tab. Use a hardware wallet for real money.
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