Base64 Encoder/Decoder
Encode and decode Base64 strings and files with Unicode support
Input (Text/File)
Output (Base64)
Input size: 0 bytes
Output size: 0 bytes
Mode:
Encoding
About Base64 Encoding
- • Base64 encoding converts binary data into ASCII text format
- • Commonly used for embedding images in HTML/CSS and data transfer
- • Encoded output is approximately 33% larger than the original
- • Supports Unicode characters and binary files
- • All processing happens locally - your data never leaves the browser