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Online AES/DES/TripleDES/RC4/Rabbit encryption and decryption
Generate cryptographically secure passwords with custom length and charset
Compute MD5 hash online, supports 32-bit upper/lower and 16-bit formats
Check password strength, entropy, crack time with improvement tips (local)
Compute SHA-1/256/384/512 and CRC32 hash values online
Generate random integers in range with dedup, sort, and batch options
Convert text to/from Morse code with full alphabet and punctuation support
Validate, pretty-print or minify JSON with error line:col reporting
Merge multiple PDF files in sequence, all processed locally in browser