BIP-39 Seed Phrase Validator

Instantly verify your mnemonic phrase length and integrity.

Enter your Seed Phrase:

0 words

Awaiting Input

Start typing your seed phrase to validate.

Valid Lengths

12 Words (128 bits)
15 Words (160 bits)
18 Words (192 bits)
21 Words (224 bits)
24 Words (256 bits)

Security Note

This tool runs entirely in your browser. No data is stored, recorded, or transmitted to any server. Your seed phrase never leaves your device. For maximum security, use this tool offline.