Blockhertz AI Smart Contract Auditor is a free security analysis tool for blockchain developers. Paste any Solidity, Rust, Move, or Vyper smart contract and receive a complete security report in under 60 seconds. Results include a risk score from 0 to 100, findings categorized by severity (Critical, High, Medium, Low), and specific fix recommendations for each vulnerability detected. Available free at blockhertz.com/tools/ai-auditor.

Built by blockchain developers · Used by Web3 teams worldwide · Free to try

Smart Contract Auditor

Audit your smart contract instantly

AI-powered security analysis. Free pre-audit before expensive manual review. Powered by Blockhertz.

< 60 seconds

Per audit

Free forever

No signup

Max 30,000 chars

50 more characters needed

Your audit report will appear here

Paste a contract on the left and click Audit Contract to begin

Reentrancy
Access Control
Integer Overflow
Gas Inefficiency
AI Smart Contract Auditor | Blockhertz