Validation & Lookup
- IBAN Validator & Parser Validate and parse IBANs (ISO 13616, MOD-97) for 80+ countries.
- EU VAT Number Validator Validate EU VAT numbers via the official VIES service (27 states + XI).
- Phone Number Validation Validate, parse and format phone numbers for 230+ countries.
- Email Validation RFC-5322 syntax + MX check + disposable/role-based detection.
- Domain Availability Checker Domain availability via WHOIS + DNS, with name suggestions.
- IP Reputation & Blacklist Check IPs against 7 DNSBLs (Spamhaus, Barracuda, SORBS, …).
Conversion & Calc
- Unit Converter Convert across 7 categories (length, mass, temperature, speed, …).
- Currency Exchange Rate Live + historical FX rates from the ECB reference feed.
- Color Format Converter HEX/RGB/HSL/HSV/CMYK, palettes, mixing and WCAG contrast.
- Financial Calculator Loan, mortgage, compound interest, savings and ROI calculators.
- World Clock & Timezone IANA timezones, DST-aware conversion and city lookup.
- HTML to Markdown Convert HTML to clean Markdown, in batches or from a URL.
- Markdown to HTML GitHub-flavored Markdown → sanitized HTML with code highlighting.
Text, Language & AI
Generators
- QR Code Generator Generate QR codes as PNG or SVG, single or in batches.
- Barcode Generator EAN-13, UPC, Code128, QR and more — PNG or SVG.
- Password Generator & Strength Cryptographically secure passwords, passphrases and strength checks.
- Hash & Checksum MD5/SHA/bcrypt hashing, HMAC and hash verification.
Web & Network
- DNS Lookup A/AAAA/MX/TXT/NS/CNAME/SOA/PTR lookups and reverse DNS.
- IP Geolocation Geolocate IP addresses (MaxMind GeoLite2 + fallback).
- URL Metadata & Open Graph Extract Open Graph, Twitter Card and favicon from any URL.
- RSS to JSON Parse RSS, Atom and JSON feeds and discover feeds on a site.
- Web Scraping Cloudflare-bypassing scrape to HTML/text/JSON + CSS extraction.
- Website Screenshot Full-page or viewport screenshots as PNG/JPEG/WebP (Playwright).