Supercharge your testing workflow with valid credit card numbers
Valid test IBAN numbers for 70+ countries
Placeholder text for designers and developers
Generate valid IMEI numbers for mobile app testing
Fast Base64 encoding and decoding with file support
Generate UUIDs v1, v4, v7 with bulk support
Generate strong passwords with entropy estimation
Generate random MAC addresses for network testing
Format, validate, and minify JSON online
MD5, SHA-256, SHA-512 hashing — all client-side
Convert between hex and ASCII instantly
