Base64 Encoder & Decoder

Encode text to Base64 or decode Base64 strings securely in your browser.

Encode text to Base64

Decode Base64 to text

Input Text:

Base64 Output:

What is Base64?

Base64 is an encoding scheme that converts binary data (such as an image or a complex string) into a universally readable ASCII format. This is extremely useful when transmitting data over media that are designed to deal with textual data, such as email (SMTP) or HTML/CSS files.

Why encode to Base64?

If you need to transmit binary data over a protocol that only supports text, Base64 ensures your data remains intact without modification during transport. A common web development use case is embedding small icons directly into CSS using Data URIs.