Base64 Encoder/Decoder
About Base64 Encoding
What is Base64?
- • Binary-to-text encoding scheme
- • Uses 64 printable ASCII characters
- • Safe for transmission over text protocols
- • Commonly used in email and web
Common Use Cases
- • Email attachments (MIME)
- • Data URLs in HTML/CSS
- • API authentication tokens
- • Storing binary data in JSON/XML
Character Set
- • A-Z (uppercase letters)
- • a-z (lowercase letters)
- • 0-9 (digits)
- • + and / (special characters)
- • = (padding character)
Important Notes
- • Not encryption or compression
- • Increases data size by ~33%
- • Easily reversible (not secure)
- • Case-sensitive encoding