Validate Mnemonic Phrase

Check if your seed phrase is valid according to BIP39 standard. Verify your 12 or 24 word mnemonic before using it.

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This tool only validates the format and checksum of your mnemonic phrase. All validation is performed client-side. Your seed phrase never leaves your browser.

Mnemonic Phrase (Seed Phrase)

Words: 0
1215182124

About BIP39 Validation

BIP39 (Bitcoin Improvement Proposal 39) defines a standard for mnemonic phrases. This tool verifies that your seed phrase follows the BIP39 specification.

What We Check

  • Word count (12, 15, 18, 21, or 24)
  • Valid BIP39 wordlist
  • Checksum verification
  • Proper format

Common Issues

  • Typos in words
  • Wrong word count
  • Words not in BIP39 list
  • Invalid checksum

Example Valid Mnemonic

12-word example:abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about

Note: This is a test mnemonic. Never use it for real funds.