Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings with URL-safe options and advanced formatting. All processing happens in your browser - completely secure and private.

Base64 Converter

Encode and decode Base64 strings with URL-safe options and file support

Input (Text)

Output (Base64)

💡 Pro Tips

Encoding

  • • Supports UTF-8 text with special characters
  • • URL-safe encoding replaces +/= with -_
  • • Chunk output for better readability

Decoding

  • • Auto-detects URL-safe format
  • • Handles missing padding automatically
  • • Validates Base64 format before decoding