HOME Mnemonic Validator LIVE
BIP39 Mnemonic Validator EDUCATIONAL

NEVER enter real seed phrases online. This tool runs 100% locally in your browser for educational purposes only.

Enter a mnemonic to validate
Validate a valid mnemonic to derive seed
Security Rules
NEVER enter real seed online
NEVER screenshot or store digitally
Write on paper in fireproof safe
Multiple copies, different locations
Consider metal backup
Use BIP39 passphrase (25th word)
Hardware wallet (Ledger/Trezor)
Entropy Reference
WordsEntropySecurity
12128 bitStandard
15160 bitBetter
18192 bitStrong
21224 bitVery Strong
24256 bitMaximum
Generate Test Mnemonic
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Generated mnemonics are for testing only. Never use generated seeds for real funds.

Word Analysis

Enter a mnemonic above to see word-by-word validation