Base64 Converter

Mode:

Live conversion - results update as you type

Plain Text

0 characters

Base64 Encoded

Output will appear here...

Base64 Character Set

ABCDEFGHIJKLMNOPQRSTUVWXYZ

abcdefghijklmnopqrstuvwxyz

0123456789+/=

64 characters: A-Z, a-z, 0-9, +, / + = (padding)

Common Use Cases

Data URIs for embedding images in HTML/CSS

Email attachments (MIME encoding)

Storing binary data in JSON or XML

Basic authentication headers

About Base64

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used for encoding data in URLs, email attachments, and embedding images in HTML/CSS.