Base64 Encoder/Decoder - Convert Text to Base64

Free Base64 encoder and decoder with UTF-8 support. Convert text to Base64 and decode Base64 strings back to text. Perfect for data transmission and storage with complete privacy protection.

Base64 Encoder

Enter text to encode to Base64

Input (Plain Text)

Output (Base64)

About Base64 Encoding

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used for:

Email attachments (MIME)
Data URLs in web development
API data transmission
Storing binary data in text format
Configuration files

Encoding Details

Character Set:

ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/

Padding:

Uses '=' for padding when needed

Size Increase:

~33% larger than original data

UTF-8 Support: This tool properly handles Unicode characters by using UTF-8 encoding, ensuring that international characters are correctly encoded and decoded.

Base64 Examples

Plain Text:Hello, World! 👋

Base64:SGVsbG8sIFdvcmxkISDwn5GN

Plain Text:The quick brown fox

Base64:VGhlIHF1aWNrIGJyb3duIGZveA==