7 All Tools
Developer · Validation
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JSON Formatter
Format, validate, auto-fix & inspect JSON paths
Validation
XML Formatter
Format and minify XML online
Validation
JSON Minifier
Minify JSON and reduce payload size
Validation
UUID Validator
Validate UUID format/version in bulk for API payload and DB QA
Validation
IBAN Validator
Validate IBAN account numbers
Validation
Credit Card Validator
Validate card number with Luhn check
Validation
CSS Specificity Calculator
Calculate selector specificity score
Validation