온라인 도구 · KR
4devskit
Generate and validate Korean documents in seconds. Fast, free, and 100% in your browser — ideal for development and testing.
56 generators5 validators
소개
4devskit은 브라우저에서 테스트 데이터를 생성·검증하는 무료 온라인 툴킷입니다.
4devskit (4devs kit) gathers country-specific generators and validators plus text, math, date, and encoding utilities.
생성기
- RRN GeneratorGenerate Korean resident registration numbers with check digit.
- Postal Code GeneratorGenerate 5-digit Korean postal codes.
- Phone GeneratorPhone Generator.
- Person GeneratorPerson Generator.
- Credit Card GeneratorGenerate fictional cards that pass the Luhn check.
- Password GeneratorGenerate strong passwords with composition options.
- Random Number GeneratorDraw random numbers with range and quantity controls.
- Lorem Ipsum GeneratorGenerate placeholder text for layouts and mockups.
- Fancy Text GeneratorConvert text into Unicode fancy styles for bios, titles, and mock content.
- Symbols to CopyCopy arrows, currency signs, and special characters for UI and content work.
검증기
- RRN ValidatorValidate Korean RRN check digits.
- Postal Code ValidatorValidate 5-digit Korean postal codes.
- Phone ValidatorPhone Validator.
- Credit Card ValidatorValidate card numbers with the Luhn algorithm and detect the card brand.
- Password Strength CheckerRate password strength as weak, medium, or strong for signup and QA flows.