Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 back to plain text. Supports full UTF-8 with real-time conversion.

Mode

Text Input

Base64 Output

Quick Tips

  • •Base64 encoding converts binary data into ASCII text using 64 printable characters
  • •Encoded output is roughly 33% larger than the original input
  • •Base64 is commonly used for embedding images in CSS/HTML and data URIs
  • •This tool supports full UTF-8 text, including emojis and special characters
  • •Base64 is an encoding scheme, not encryption — it provides no security