BCS Converter
Binary Canonical Serialization - Serialize and deserialize data types
Input Value
Enter numeric value or text
BCS Hex Output
0 bytes0 hex chars
BCS (Binary Canonical Serialization) - A deterministic serialization format used by Aptos and Sui blockchains. Integers use little-endian encoding, and variable-length data uses ULEB128 length prefixes. All conversions are client-side.