FreeUtil

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to text instantly.

About Base64

Base64 is a binary-to-text encoding scheme that represents binary data as an ASCII string. It is commonly used to embed images in HTML/CSS, transmit data in URLs, and encode email attachments.

How to Use

  • Paste text and click Encode to convert it to Base64.
  • Paste a Base64 string and click Decode to get the original text.
  • Supports full Unicode (emojis, accented characters, etc.).