Base64 Encode / Decode

Convert plain text to Base64 or decode a Base64 string back to text.

Encode Mode
Plain Text
Base64 Output

What is Base64?

Base64 is an encoding scheme that converts binary data into an ASCII string using 64 printable characters (A–Z, a–z, 0–9, +, /). It is commonly used to encode data in email attachments, embed images in HTML/CSS, and safely transmit binary data over text-based protocols.

Encode vs Decode
  • Encode — Converts plain text → Base64 string
  • Decode — Converts Base64 string → plain text
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