Free Tools

Security Tools

Built by forensic examiners with 20 years of investigative experience. No signup required to start.

16 free interactive security and forensic tools from Sherlock Forensics: website security scanner with letter grade, email header analyzer with spoofing detection, email forensic analyzer, penetration testing cost calculator, breach cost ROI calculator, security readiness assessment quiz, vendor comparison decision engine, interactive guided security testing, PST/OST email viewer, MSG/EML email viewer with SMTP transport chain analysis, Android logical acquisition tool, browser forensic viewer, file hash calculator, file hash verifier, metadata viewer and inspector. All tools are free, built by CISSP-certified forensic examiners in Vancouver.

Forensic Desktop Software

Free + Forensic EditionBuilt in Rust

PST Viewer

Open PST/OST files without Outlook. Search, export and verify email archives. Forensic reports. Forensic Edition from $67.

Get PST Viewer
Free + Pro ($29/yr)Built in Rust

Forensic PDF Viewer + Editor

View, edit and threat-scan PDFs without trusting them. Built-in phishing detection, JS/action scanning and safe-by-default Rust parser. Pro from $29/year.

Get PDF Editor
Free + Forensic EditionBuilt in Rust

Universal Events Viewer

Windows event log triage in plain English. 16 one-click buttons including "Have I Been Hacked?" five-phase analysis. Forensic Edition from $97.

Get Events Viewer
Desktop — FreeBuilt in Rust

Disk Imager

Free forensic disk imager. Raw .dd and E01 output. Three-pass SHA-256 verification. Resumable. FTK Imager alternative.

Get Disk Imager
Free + Forensic EditionBuilt in Rust

Android Acquirer

Android logical acquisition via ADB. Extract SMS, contacts, call logs, media and apps. Court-ready forensic reports. Forensic Edition from $399.

Get Android Acquirer
Free + Forensic EditionBuilt in Rust

MSG/EML Viewer

Open Outlook .msg and RFC-822 .eml files without Outlook. SMTP transport chain, SPF/DKIM/DMARC, anomaly detection. Forensic Edition from $67.

Get MSG/EML Viewer
Free + Forensic EditionBuilt in Rust

Browser Viewer

Extract history, bookmarks, downloads and extensions from Chrome, Edge, Firefox, Brave, Opera, Vivaldi and Tor. Forensic Edition from $29.

Get Browser Viewer
Free + Forensic EditionBuilt in Rust

OST Viewer

Open Outlook OST files without Exchange or Office 365. View cached emails offline. Forensic reports. Forensic Edition from $67.

Get OST Viewer
Desktop — FreeBuilt in Rust

USB Write Blocker

Free forensic USB write blocker. One-click registry-level write protection for evidence drives. Essential for forensic imaging.

Get USB Blocker
Desktop — FreeBuilt in Rust

Hash Verifier

Drag-and-drop SHA256, SHA512, MD5, SHA1 calculator. Batch processing and hash comparison for forensic integrity.

Get Hash Verifier
Desktop — FreeBuilt in Rust

Metadata Inspector

View, export and strip EXIF, PDF and Office metadata. Privacy and forensic analysis.

Get Metadata Inspector

Scanners & Analyzers

ScannerBuilt in Rust

Hack Your Own Website

Guided security testing tool. Walk through the same passive checks that attackers use. Headers, DNS, SSL, exposed paths and more.

Launch Tool
ScannerBuilt in Rust

Security Scorecard

Enter your domain, get an instant letter grade. Checks SSL, security headers, DNS authentication, cookies and HTTPS enforcement.

Scan My Domain
AnalyzerBuilt in Rust

Email Header Analyzer

Paste email headers. See visual hop trace, SPF/DKIM/DMARC authentication results, sender verification and spoofing detection.

Analyze Headers
Desktop — FreeBuilt in Rust

Port Scanner

Fast TCP port scanning for security assessments. Service detection and attack surface mapping.

Get Port Scanner
CalculatorBuilt in Rust

File Hash Calculator

Drag and drop to generate MD5, SHA-1, SHA-256, SHA-512. Compare hashes. No file upload. Runs in your browser.

Hash a File
AnalyzerBuilt in Rust

Metadata Viewer

View hidden EXIF, PDF and Office metadata. GPS locations, author info, dates. Strip before sharing.

View Metadata

Calculators

CalculatorBuilt in Rust

Pentest Cost Calculator

5-step questionnaire. Get a realistic price range for your penetration test based on scope, compliance and timeline.

Get Estimate
CalculatorBuilt in Rust

Breach Cost Calculator

What would a data breach cost your company? Industry-specific estimates. Build the business case for security investment.

Calculate Risk

Email and Privacy

AnalyzerBuilt in Rust

Sherlock Email Analyzer

Forensic email analysis with sender verification, header parsing and authentication validation. Detect spoofed and manipulated messages.

Analyze Email
PrivacyBuilt in Rust

Privacy Tools

Privacy assessment and data protection tools for individuals and organizations. Evaluate your digital privacy posture.

View Privacy Tools

Assessments

AssessmentBuilt in Rust

Security Readiness Quiz

10 questions. 2 minutes. Find out where your organization stands and what gaps to close before your next audit.

Take Assessment
Decision EngineBuilt in Rust

Vendor Comparison

Answer 4 questions. Get matched with the right security vendor for your environment. Independent, vendor-neutral guidance.

Compare Vendors

Forensic Resources

DocumentationBuilt in Rust

Chain of Custody

Proper evidence custody documentation ensures digital evidence remains admissible in court. Review our methodology and procedures.

View Methodology
GeneratorBuilt in Rust

Forensic Report Generator

Generate structured forensic reports with proper formatting for court submission. Consistent methodology documentation across all case types.

Generate Report

Beyond Free Tools

These tools are the starting point. Not the finish line.

Free tools cover basic security checks. A professional penetration test from Sherlock Forensics covers 200+ attack vectors: business logic flaws, authentication bypass, privilege escalation, API security and manual exploitation. From $1,500 USD.

Since 20064.8/5 ratingCISSP, ISSAP, ISSMP certified
Get a Professional Assessment

Questions

About Our Tools

Are these tools really free?
Yes. All 7 tools are free with no restrictions. Some ask for an email before showing full results so we can send you a copy.
Who built these tools?
Sherlock Forensics, a Vancouver cybersecurity firm with 20+ years experience. The tools reflect our professional methodology, simplified for self-service.
Are the scans safe?
Yes. Our scanners perform only passive checks using publicly available information. No exploitation, no malicious payloads, no data modification.
Can these replace a professional pentest?
No. These cover basic checks. A professional test covers 200+ attack vectors including business logic, authentication bypass and manual exploitation.
What should I do after using these tools?
Address failed checks using the remediation guidance. For comprehensive assessment, call 604.229.1994 for a free consultation.