Cipher & Encryption Tools Online - AES, ROT13, Caesar Cipher
3des Encrypt
Encrypt and decrypt with Triple DES (3DES/TDEA). Legacy encryption for banking, payment systems, and EMV cards. Free online 3DES tool.
Aes Encrypt
Encrypt and decrypt text with AES-256-GCM in your browser. Password-based encryption, Base64/Hex output. Private, secure, no server uploads.
Blowfish Encrypt
Encrypt and decrypt text with Blowfish cipher in your browser. Legacy 64-bit block cipher with variable key length. Free online Blowfish tool.
Caesar Cipher
Encode text with Caesar cipher using any shift value. Classic letter substitution from 1-25 positions. Educational cryptography tool, instant results.
Morse Code Converter
Convert text to Morse code and back with audio playback. Adjustable speed (WPM), visual dots and dashes. Supports letters, numbers, punctuation. Works offline.
Morse Code Flasher
Flash Morse code as visual light signals. Simulate flashlight, lantern, or signal lamp. Adjustable speed and colors. Great for visual learning.
Morse Code Trainer
Learn Morse code with interactive audio quizzes. Practice letters, numbers, words. Track progress, adjust speed. Great for ham radio exam prep.
Rc4 Cipher
Encrypt and decrypt with RC4 (ARC4) stream cipher. Legacy encryption for WEP, SSL analysis, and protocol research. Free online RC4 tool.
Rot13 Cipher
Encode and decode text with ROT13 cipher. Also supports ROT5 for numbers and ROT47 for ASCII. Simple letter substitution, instant results.
Vigenere Cipher
Encrypt and decrypt text using the Vigenère cipher. Use a keyword for stronger encryption than Caesar cipher. Includes frequency analysis.
Xtea Encrypt
Encrypt and decrypt with XTEA (eXtended TEA). Lightweight 64-bit block cipher for embedded systems and games. Free online XTEA tool.
Modern and Classic Encryption
Strong encryption protects sensitive data using mathematical algorithms. Our tools implement industry-standard ciphers for secure communication, file protection, and cryptographic testing — all processing happens locally in your browser.
Block Ciphers
AES (Advanced Encryption Standard) — The current standard for symmetric encryption. 128/192/256-bit keys with CBC mode. Used in TLS, file encryption, and VPNs.
Blowfish — Bruce Schneier's fast block cipher. Popular in embedded systems and password hashing (bcrypt).
3DES (Triple DES) — Triple Data Encryption Standard for banking and payment systems. Still used in EMV cards and legacy financial systems.
Classic Ciphers
ROT13 — Rotate letters 13 positions for casual obfuscation. Hide spoilers and puzzle answers. Self-inverse: apply twice to decode.
Caesar Cipher — Historical cipher with configurable shift. Educational introduction to substitution cryptography.
Morse Code
Convert text to Morse code dots and dashes, and decode Morse to text. Visual dot-dash display with audio playback at adjustable speeds. Supports international characters.