Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to plain text. Supports UTF-8 characters.

Text to Encode

Base64 Output

About Base64

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It is commonly used when binary data needs to be stored or transferred over media designed for text.

Common Uses

Embedding images in HTML/CSS (data URIs)
Encoding email attachments (MIME)
Storing binary data in JSON
API authentication tokens
Encoding data in URLs