Base64 Encoder/Decoder

Encode and decode text or data using standard Base64 format locally in your browser.

Text Input

Base64 Output

What is Base64 Encoding?

Base64 is a group of binary-to-text encoding schemes that represent binary data in an ASCII string format. It is frequently used when there is a need to encode binary data that needs to be stored and transferred over media that are designed to deal with textual data. This is to ensure that the data remains intact without modification during transport.

Our Base64 Encoder/Decoder allows you to quickly transform human-readable text into a Base64 encoded string, or reverse the process by decoding an existing Base64 format back to plain text.

Common Uses for Base64

Embedding image data directly into HTML/CSS files (Data URIs).
Sending email attachments under the MIME specification.
Storing complex data structures in JSON or XML documents.
Basic obfuscation (though it should never be used for encryption or hashing purposes).

Operations in this tool are performed client-side, ensuring your data remains private and secure on your device without communicating with a backend server.