For education only! Never enter real seed phrases in online tools.
SeedShift
Transform seed phrase into open form (OSF). Pen and paper method with punctuation support.
OpenPassphrase Analyzer
Passphrase strength analysis. Entropy estimation, cracking time, and improvement recommendations.
OpenShamir Secret Sharing
Split a secret into parts using K-of-N scheme. Create and verify Shamir shares.
OpenXOR Encryption
Bitwise seed phrase encryption. XOR of BIP-39 word indices with a key.
OpenSimple Split
Split 24 words into parts using 2-of-2 and 2-of-3 overlapping schemes.
OpenMethods Comparison
Visual comparison of all protection methods: complexity, security, compatibility.
Open