Fast Audit

Instant automated security analysis for your smart contracts.

Overview

Fast Audit provides instant automated security analysis powered by Slither, a leading static analysis framework for Solidity. Get comprehensive vulnerability detection in under 5 minutes.

Pricing: Fast Audit is free without AI acceleration. Enable Hexific AI for enhanced analysis (paid).

What's Included

Vulnerability detection (70+ detectors)
Severity categorization
Code location pinpointing
PDF report download
Unlimited free audits (without AI)

Supported Inputs

Single .sol files
ZIP archives (Foundry/Hardhat)
Verified contract addresses

How to Use

Option A: Upload Your Contract

Go to hexific.com
Drag and drop your .sol file or ZIP archive
Choose whether to enable Hexific AI acceleration (optional, paid)
Click "Start Audit"
Wait for results (typically 30 seconds to 5 minutes)

For Foundry/Hardhat projects:

zip -r my-project.zip src/ foundry.toml lib/

Option B: Audit by Address

Go to hexific.com
Switch to "Contract Address" mode
Enter the verified contract address
Choose whether to enable Hexific AI acceleration (optional, paid)
Click "Start Audit"

Note: Contract must be verified on Etherscan. Ethereum mainnet only.

Hexific AI Acceleration

Hexific AI is an optional paid feature that enhances your audit with AI-powered analysis. Fast Audit focuses on pure vulnerability detection — no remediation suggestions.

Without AI

Free

✓ Slither static analysis
✓ 70+ vulnerability detectors
✓ Severity categorization
✓ PDF report
✓ Unlimited audits

With Hexific AI

Paid

✓ Everything in free tier
✓ AI-powered vulnerability analysis
✓ Enhanced detection accuracy
✓ Deeper code analysis
✓ More comprehensive findings

Looking for recommendations? Fast Audit is pure audit only. For remediation suggestions and code improvement recommendations, try HexiChat — our AI assistant for smart contract development (coming soon).

Tips for Better Audits

Before Uploading

Remove test files and node_modules from ZIP
Keep file size under 100MB
Include lib/ folder for Foundry projects
Use a recent Solidity compiler version

After Getting Results

Fix Critical and Major issues first
Don't ignore Informational findings
Download and save the PDF report
Re-audit after making fixes

File Requirements

Accepted Formats

.sol (single Solidity file)
.zip (project archive)

Limits

Maximum file size: 100MB
Solidity version: 0.4.0 - 0.8.x

Start Free Audit →