Base64 Encoder & Decoder
Encode and decode text in Base64 format
About the Base64 Encoder and Decoder
Base64 is a way of representing binary or text data using a limited set of safe characters, namely the letters A to Z and a to z, the digits 0 to 9, and the symbols plus and slash. This tool lets you convert any text into its Base64 form and convert Base64 back into readable text, instantly and right in your browser. Your input is processed locally for the conversion, so it is a quick option for everyday encoding tasks.
To use it, paste or type your text into the encode box to receive the Base64 string, or paste a Base64 string into the decode box to recover the original text. The result updates as you work, and you can copy it with a single action.
Why Base64 Is Used
Many systems were built to handle plain text reliably but can mangle raw binary data. Base64 solves this by packing data into characters that travel safely through email, URLs, configuration files, and web tokens. You will often see it embedding small images directly in stylesheets, carrying data inside JSON payloads, or storing values in places that expect text. Keep in mind that Base64 is an encoding, not encryption; it makes data portable but does not hide or secure it, so never treat encoded text as a password or a substitute for real protection.