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Input Validators
Validate data formats.
8 tools
JSON Validator
Check if JSON is valid.
XML Validator
Validate XML syntax and structure.
Email Validator
Check if email format is valid.
URL Validator
Validate URLs with strict rules.
Credit Card Validator
Validate cards with Luhn check.
HTML Validator
Check for unclosed and mismatched tags.
CSS Validator
Basic CSS brace and semicolon checks.
Favicon Checker
Preview favicons for any domain.