Encode and decode Base64 strings instantly. Base64 is a binary-to-text encoding scheme commonly used to embed data in HTML, CSS, email attachments, and data URIs.
Functions
Encode
Convert plain text to Base64 encoded string
Decode
Convert Base64 encoded string back to plain text
Copy
Copy the result to clipboard
Steps
1
Enter or paste the text you want to encode in the input area
2
Click "Encode" to convert to Base64, or "Decode" if you have a Base64 string
3
The result appears instantly — copy it with one click
Use cases: Encode data for email attachments, embed images in HTML/CSS as data URIs, decode Base64 strings from APIs