10+ Free Privacy & Security Tools | Utilko

Free Privacy & Security Tools Online

Digital privacy and security don't require expensive software. Utilko's free security tools run entirely in your browser — your passwords and data are never sent to any server.

Password Security

• Password Generator — Generate strong, random passwords with custom length, character sets, and complexity requirements. All generation happens client-side.
• Password Strength Checker — Analyze the strength of any password and get specific improvement recommendations. Never stored or transmitted.

Hashing & Cryptography

• Hash Generator — Generate MD5, SHA-1, SHA-256, and SHA-512 hashes for checksum verification and data integrity checks.
• Base64 Encoder/Decoder — Encode and decode Base64 data for authentication headers and data encoding.

Network & IP Tools

• What Is My IP — See your current public IP address and basic location information.
• DNS Lookup — Query DNS records (A, AAAA, MX, TXT, CNAME, NS) for any domain to verify configuration.
• IP Address Lookup — Look up geolocation and ASN information for any IP address.
• User Agent Finder — See what browser and OS information websites see when you visit them.

Website Security Checks

• SSL Certificate Checker — Verify SSL/TLS certificate validity, expiry date, and chain of trust for any domain.
• HTTP Header Checker — Inspect security headers (HSTS, CSP, X-Frame-Options) for any URL.
• WHOIS Lookup — Look up domain registration information, registrar, and expiry dates.

Email Validation

• Email Validator — Validate email address format and check domain MX records to detect disposable or fake emails.

Browser Information

• Browser Info — See all the information your browser exposes to websites: screen size, timezone, plugins, and more.
• Webcam Tester — Test if your webcam is working properly before important video calls.