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BIP39 · BIP32 · BTC · Ethereum · 100% offline

Seed Phrase Recovery

Recover a lost or incomplete BIP39 seed phrase — entirely in your browser. Your words never touch a server.

Fill in the words you know and leave the unknown ones blank. The engine tries every combination, keeps only checksum-valid phrases, and confirms them against your address when you provide one.

Length:

Leave a box blank (or type ?) for any word you don't know. Paste a whole phrase into the first box to fill the grid.

Add a receive address from the wallet to pinpoint the exact phrase. The script type (BTC/ETH) is detected automatically and the first 20 receive addresses are checked.

Search space:

100% offline: every calculation runs locally in WebAssembly. Your seed words never leave this page.

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