Keypair Tool

Grind vanity addresses, convert keypairs and mnemonics.

Everything stays in your browser.

Vanity grinder

Grind mode

Pattern lines (any line matches)

Starts withEnds withCount

Each line is one exact prefix + suffix combo. Leave a field empty on a line to skip that side. An address matches if it fits any line.

I don't want my key to be wallet compatible (Phantom, Solflare…)

Word count

Ignore case

Keypair converter

JSON, base58 private key, or mnemonic

Paste a JSON byte array, base58 private key, or BIP39 mnemonic (Phantom / Solflare path by default). Returns the public key, JSON, and base58 formats.

Vanity grinder

Grind mode

Pattern lines (any line matches)

Starts withEnds withCount

Each line is one exact prefix + suffix combo. Leave a field empty on a line to skip that side. An address matches if it fits any line.

I don't want my key to be wallet compatible (Phantom, Solflare…)

Word count

Ignore case

Keypair Tool

Grind vanity addresses, convert keypairs and mnemonics.

Everything stays in your browser.

Vanity grinder

Grind mode

Pattern lines (any line matches)

Starts withEnds withCount

Each line is one exact prefix + suffix combo. Leave a field empty on a line to skip that side. An address matches if it fits any line.

I don't want my key to be wallet compatible (Phantom, Solflare…)

Word count

Ignore case

Keypair converter

JSON, base58 private key, or mnemonic

Paste a JSON byte array, base58 private key, or BIP39 mnemonic (Phantom / Solflare path by default). Returns the public key, JSON, and base58 formats.