🔶 XmrUtils

Standalone Monero Cryptocurrency Utilities v

Dependencies: sjcl.js → crypto_utils.js → xmr_utils.js
Test phrase: army van defense carry jealous true garbage claim echo media make crunch
Repository: github.com/bitrequest/xmr-utils-js
⚠️ Security Notice: Never use test keys with real funds. These examples use well-known test vectors only.

🧪 Automated Unit Tests

🛠️ Interactive Tools

Secret Spend Key → Full Wallet Keys

Enter a secret spend key to derive full wallet keys, or a Monero address to extract public keys

Monero Address → View Key Extraction

Generate Subaddresses

Index 0 = main address, Index 1+ = subaddresses

Generate Random Secret Spend Key

Secret Spend Key → Mnemonic Words

Payment ID Generation & Validation

Generates a random 16-character encrypted payment ID if empty

Monero Base58 Encoding

Monero uses a variant of Base58 with 8-byte blocks

Fasthash (Keccak-256)

Scalar Reduction (sc_reduce32)

Reduces a 32-byte value modulo the Ed25519 curve order l

Elliptic Curve Point Operations (Ed25519)

Multiplies the Ed25519 base point G by the scalar

CRC-32 (for mnemonic checksum)

Byte/Number Utilities