Free online BIP39 mnemonic collider. Generate random 12-word seed phrases and check them against the richest BTC, ETH, and SOL wallets. Runs entirely in your browser using Web Workers — your data never leaves your device.
Offline Mode
Uses cached rich list — no network needed
Online Mode
Coming Soon
ℹ️ About Collision Probability
BIP39 has 2¹²⁸ possible 12-word mnemonics. Even checking millions per second, finding a collision is astronomically unlikely. This tool is for educational purposes only.