Tool
Base64 Encoder / Decoder
Encode text into Base64 or decode Base64 back into readable UTF-8 text.
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Encodings
Simple alphabet rotations and transforms.
Tools
Tool
Base32 Encoder / Decoder
Encode text into RFC 4648 Base32 or decode Base32 back into readable UTF-8 text.
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Hex Encoder / Decoder
Encode readable text into hexadecimal byte values or decode hex back into readable UTF-8 text.
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Tap Code Cipher
Send letters as row-and-column tap groups using the classic 5x5 tap code square.
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ROT13
Rotate letters by 13 positions with the same operation for encoding and decoding.
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Advanced Bacon's Cipher
Use direct Bacon symbols, custom A/B pairs, 24/26-letter alphabets, and hidden case-based steganography.
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Simple Bacon's Cipher
Encode letters as five-character A/B groups using the classical 24-letter Bacon alphabet.
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Atbash Cipher
Mirror the alphabet so A maps to Z, B to Y, and so on.
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A1Z26 Cipher
Convert letters to numbers and back again using A = 1 through Z = 26.
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Morse Code Translator
Translate text to Morse and Morse back to text with audio playback and live signal highlighting.
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The ROT13 Cipher: Thirteen Steps to Obscurity
A thirteen-letter rotation that hides text from casual view but offers almost no real protection.
A1Z26 Cipher: The Mechanics of Simple Substitution
How replacing letters with their alphabet positions teaches symbolic transformation, reversibility, and the limits of simple secrecy.
Morse Code: The Moment Messages Escaped the Horse
How dots, dashes, and disciplined timing helped build the first electric language of the modern world.
Base64: The Encoding That Smuggles Binary Through Text
How a simple 6-bit alphabet became one of the quiet workhorses of email, the web, APIs, certificates, tokens, and modern software plumbing.
Base32: The Encoding That Makes Binary Easier to Read, Copy, and Survive
How a 5-bit alphabet became a quiet helper in authenticator apps, DNS-safe strings, recovery codes, identifiers, and text-shaped software systems.