Small tools that save big testing hours
Generators, calculators and validators your QA and dev workflows actually need — open a tab and go.
Tools
- Credit Card Generator
Valid test card numbers with CVV & expiry. - Test Data Generator
Fake names, emails, phones & addresses. - JSON Formatter & Validator
Pretty-print & validate JSON instantly. - UUID / GUID Generator
Generate v1, v4 or v7 UUIDs instantly. - Password Generator
Random passwords with custom rules. - QR Code Generator
Create QR codes from any URL or text. - Lorem Ipsum Generator
Placeholder text by paragraphs, sentences or words. - Base64 Encode / Decode
Encode or decode Base64 strings with UTF-8 support. - URL Encode / Decode
URL-encode or decode strings instantly. - Epoch / Timestamp Converter
Convert Unix timestamps to dates and back. - Regex Tester
Test regex patterns with live match highlighting. - Cron Expression Parser
Parse cron to plain English with next run times. - Hash Generator
Generate MD5, SHA-1, SHA-256 & SHA-512 hashes. - JWT Decoder
Decode and inspect JSON Web Tokens instantly.