Reverse engineer
any Solana program.

Paste a program or token address. UNBUILD reads its bytecode straight off the chain and takes it apart in your browser — who can mint, freeze or upgrade it, which program it was forked from, and what the code can actually do.

try:

How it works

Read, don't trust

Every byte comes from a read-only RPC call to mainnet. The disassembly and the checks run in your browser — nothing is submitted, no wallet, no signatures.

Find the original

Forks keep their source structure. UNBUILD reads the crate and file paths baked into the binary and matches them against known programs — so a reskinned Raydium or Pump.fun gives itself away.

See the authorities

For a token: who can still mint or freeze it, and every Token-2022 extension. For a program: who can replace its code, and when it last changed.