Base64 Encoder & Decoder

Free Base64 decode and Base64 encode online. Base64 encoder decoder to convert base64 to text and text to base64 instantly.

How it works

  1. 1

    Paste text or Base64 string

    Copy the text to encode or the Base64 string to decode and paste it into the field.

  2. 2

    Choose Encode or Decode

    Select Encode to convert text to Base64 or Decode to convert a Base64 string back to readable text.

  3. 3

    Copy the result

    The conversion is instant and you can copy the result to the clipboard with one click.

FAQ

What is Base64?

Base64 is an encoding system that converts binary data into ASCII text. It's used to safely transfer data via email, URLs and APIs.

Is Base64 encryption?

No, Base64 is just encoding, not encryption. Anyone can decode a Base64 string. Don't use it to protect sensitive data.

Why is Base64 text longer than the original?

Base64 encoding increases size by about 33% because it represents 3 bytes of data with 4 ASCII characters.