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Email Validator

Check email address format instantly. Validate syntax against RFC standards. Free, private.

URL Validator

Check if a URL format is valid and well-formed

XML Validator

Validate XML syntax and check for well-formedness

IBAN Validator

Validate International Bank Account Numbers (IBAN). Check format and checksum.

IP Address Validator

Validate IPv4 and IPv6 addresses and get details

VAT Number Validator

Validate EU VAT identification numbers. Format validation for all EU countries.

Domain Validator

Validate domain name format. Check syntax, TLD, and length requirements.

Phone Number Validator

Validate phone number formats from various countries

Credit Card Validator

Validate credit card number format using Luhn algorithm

JSON Validator

Validate JSON syntax and see detailed error messages

Username Validator

Check if usernames meet requirements. Configurable rules for characters and length.