Decode from Base64 format or encode into it with various advanced options. Our site has an easy to use online tool to convert your data.

Multi Decoder Automatically compare cipher text against 250+ cipher and code variations. Paste a cipher or coded message below and the Multi Decoder will run it through 250+ codes and ciphers, …

Encoding and Decoding site. e.g. HTML Escape / URL Encoding / Base64 / MD5 / SHA-1 / CRC32 / and many other String, Number, DateTime, Color, Hash formats!

dCode is the universal site for decipher coded messages, cheating on letter games, solving puzzles, geocaches and treasure hunts, etc.

Base64 Encode Base64 Decode Base64Url Encode Base64Url Decode URL Encode URL Decode MD5 Hash SAML Encode SAML Decode Pretty JSON Quoted-Printable Encode Quoted-Printable Decode …

Caesar cipher: Encode and decode online Method in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet. The method is named after Julius Caesar, …

Caesar Cipher Online Encoder & Decoder Explore Caesar cipher encryption, decryption, and brute-force solving in one place. Shift letters, numbers, and symbols, compare ROT variants, and learn how this …

Free online cipher decoder, encoder, and cryptogram solver. Decode Morse code, binary, Caesar cipher, Vigenère, and 15+ classical ciphers instantly.

Decode from URL-encoded format or encode into it with various advanced options. Our site has an easy to use online tool to convert your data.

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis