PDF Tools

Every cryptography tool you need in one place

All the essential encryption and decryption tools at your fingertips — 100% FREE and easy to use! From classic ciphers to modern algorithms, explore tools for Caesar Cipher, Vigenère Cipher, RSA, Base64, Hashing (MD5, SHA), and more. Encrypt messages, decrypt codes, and secure your data with just a few clicks.

Caesar Cipher

Encrypt or decrypt text using the classic Caesar Cipher with a simple shift-based method—fast and easy!

Vigenère Cipher

Encrypt or decrypt text using the Vigenère Cipher — a powerful, keyword-based encryption technique for secure messages.

Playfair Cipher

Encrypt or decrypt messages using the Playfair Cipher — a digraph substitution technique for classical cryptography enthusiasts.

Hill Cipher

Encrypt or decrypt text using the Hill Cipher — a linear algebra-based polygraphic cipher using matrix multiplication for security.

Rail Fence Cipher

Encrypt or decrypt text using the Rail Fence Cipher — a simple transposition method that rearranges characters in a zigzag pattern.

One-Time Pad

Encrypt or decrypt messages using the One-Time Pad — an unbreakable cipher when used with a truly random key.

Your Complete Cryptography Toolkit

Encrypt and decrypt data with ease — all in one place. This collection of cryptographic tools is designed for students, developers, cybersecurity enthusiasts, and anyone interested in data security.

Effortlessly work with algorithms like Caesar Cipher, Vigenère Cipher, RSA, Base64 Encoding/Decoding, and Hashing (MD5, SHA-1, SHA-256). Whether you’re securing text, learning how encryption works, or testing algorithms, all tools are fast, reliable, free, and easy to use.

Cryptography-Encryption & Decryption