Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 to text instantly. Free, fast, no upload to server.

Upload Your Text File

Drag and drop your Text file or click to browse. Your file is processed locally in your browser.

About Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 back to text. Supports full UTF-8 encoding including special characters and emojis. 100% client-side processing.

Features

  • Encode any text to Base64 format
  • Decode Base64 strings back to readable text
  • Full UTF-8 support including emojis
  • Copy output to clipboard with one click
  • 100% client-side - your data never leaves your browser