Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 strings back to text.

Base64 Encoder & Decoder Tool

This free online tool lets you encode any text or binary data into Base64 format, or decode Base64 strings back into readable text. It supports UTF-8 characters (emojis, special symbols) and processes everything locally in your browser for maximum security.

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It is commonly used to embed images directly into HTML/CSS, transmit data over media that are designed to deal with textual data, and ensure data integrity during transport.