Technical tools that
actually work

Domain Intelligence Scanner

Complete domain security assessment — DNS, DNSSEC, email auth, SSL/TLS, and security headers with overall score and recommendations.

Email Security Analyzer

Complete email security audit — SPF, DKIM, DMARC, MTA-STS, TLS-RPT, MX records, and BIMI with score, grade, and prioritised recommendations.

Website Security Scanner

Complete web security audit — TLS/SSL, security headers, HSTS, CSP, CAA records, and redirect hygiene with overall score and prioritised recommendations.

Website SEO Analyzer

Complete technical SEO audit — meta tags, structured data, Open Graph, performance, mobile, and AI readiness with an overall score and prioritised recommendations.

DNS Lookup

Full domain intelligence — all DNS records, email auth analysis, and health score.

WHOIS Lookup

Check domain registration dates, expiry, registrar, and nameservers.

Password Generator

Cryptographically secure passwords and passphrases with strength checker.

IP Address Lookup

Instantly see your public IP address and location info.

Subnet Calculator

Calculate CIDR ranges, network addresses, and host counts.

MAC OUI Lookup

Identify the manufacturer of any network device by MAC address.

IPv4 to IPv6 Mapping Tool

Generate the IPv4-mapped IPv6 (::ffff:) form seen in dual-stack apps, sockets, and server logs.

Email Record Validator

Check SPF, DKIM, and DMARC DNS records for any domain.

DNS Propagation Checker

Check global DNS propagation status across multiple resolvers.

MX Lookup

Look up mail server records for any domain and identify the email provider.

Email Header Analyzer

Analyze raw email headers for spoofing risk, auth results, and mail path.

DMARC Generator

Build a valid DMARC TXT record with live preview, policy recommendations, and DNS instructions.

IP Reputation Checker

Check if an IP address is blacklisted or flagged for abuse.

Reverse DNS Lookup

Find the hostname for any IP address and verify forward DNS. Includes email deliverability check.

SPF Flattening Checker

Analyze SPF lookup usage, visualize include chains, detect PermError risk, and generate a flattened record.

MTA-STS Checker

Validate MTA-STS DNS record and policy file — check mode, MX patterns, and max_age for SMTP transport security.

TLS-RPT Checker

Validate the SMTP TLS Reporting record — check rua endpoints and ensure TLS failure reports are configured for your domain.

BIMI Checker

Validate BIMI brand logo configuration — check the BIMI TXT record, SVG logo URL, VMC authority certificate, and DMARC prerequisite.

SSL/TLS Certificate Checker

Inspect HTTPS certificates, check expiry dates, validate certificate chains, and verify HSTS configuration.

Security Headers Checker

Analyze HTTP security headers, get a security score, and see recommendations for CSP, HSTS, and more.

HTTP Redirect Checker

Trace redirect chains across all four URL variants, verify HTTPS upgrades, detect loops, and check canonical URL consistency.

CAA Lookup

Check which Certificate Authorities are authorized to issue TLS certificates for any domain. Verify issue, issuewild, and iodef records.

CSP Analyzer

Analyze the Content Security Policy header for any website. Detect unsafe-inline, unsafe-eval, and missing critical directives. Get a security score.

DNSSEC Checker

Verify DNSSEC signing, check DS and DNSKEY records, and confirm the chain of trust for any domain.

JWT Decoder

Decode JSON Web Tokens — view header, payload, claims, expiration, and security warnings in your browser.

CSS Flexbox & Grid Generator

Visually build and copy CSS layout code instantly.

JSON Formatter & Validator

Format, validate, and minify JSON instantly in your browser. Includes error detection, statistics, copy, and download.

Base64 Encoder / Decoder

Encode and decode Base64 and URL-safe Base64URL with full UTF-8 support, auto-detect, and one-click copy.

URL Encoder / Decoder

Percent-encode and decode URLs and query parameters with component and full-URL modes, a query-string parser, and full UTF-8 support.

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes and checksums from text instantly. UTF-8 aware, with copy and 100% client-side processing.

Epoch Converter

Convert Unix/epoch timestamps to human-readable UTC and local dates and back. Auto-detects seconds vs milliseconds. 100% client-side.

Regex Tester

Test and debug regular expressions with live matching, capture groups, flags, and match highlighting. 100% client-side.