Tutorial
How to Decompile a Smart Contract
Smart contracts on EVM chains are deployed as bytecode. When source code is not verified on a block explorer, an EVM decompiler is the fastest way to recover readable logic for security review, research, or incident response.
Steps to decompile contract bytecode
- Choose the correct EVM network (Ethereum, Base, Arbitrum, etc.) or paste raw bytecode.
- Enter the deployed contract address — the tool fetches runtime bytecode via RPC.
- Review decompiled Solidity-like output, disassembly, control-flow graph, ABI, and storage tabs.
- Export a ZIP report or share a permalink for team review.
Tips for accurate analysis
- Decompile the implementation address if the contract is an upgradeable proxy.
- Cross-check recovered selectors against on-chain transactions and events.
- Use the control-flow graph before reading long pseudocode functions.
- Compare bytecode across upgrades when investigating incidents.
Try it now
Open the free EVM decompiler — paste an address or bytecode and get results in seconds.
Related: Ethereum Decompiler · Proxy Contract Decompiler · Bytecode Decompiler