Base64 Encode

Instantly encode text or data to Base64 format. 100% client-side — nothing leaves your browser.

📥 Input

Encoding:

URL-safe (replace +/ with -_)

No padding (remove =)

Wrap at 76 chars (MIME)

Quick Examples

📤 Base64 Output

Your Base64 encoded output will appear here…

📖 How to Use

Paste or type your text in the input box.
Choose your encoding (UTF-8 for most cases).
Toggle URL-safe mode for use in URLs (replaces + and /).
Toggle No padding to strip trailing = signs.
Click Encode or enable Live mode to see instant results.
Click Copy to copy the output to your clipboard.

Keyboard Shortcuts

EncodeCtrl+Enter

ClearCtrl+L

Copy outputCtrl+Shift+C

What is Base64?

Base64 is a binary-to-text encoding that represents binary data using 64 printable ASCII characters. It's commonly used to embed binary data in text-based formats like JSON, XML, HTML, or HTTP headers.

Common Uses

HTTP Basic Auth headers
Data URIs for inline images
JWT token payloads
Email attachments (MIME)
Storing binary in JSON