Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings instantly.
What is Base64?
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It is commonly used to embed images in HTML/CSS, transmit data over text-based protocols like email (MIME), and encode authentication credentials in HTTP headers.
Features
- Encode text to Base64 instantly
- Decode Base64 strings back to plain text
- File to Base64 conversion with Data URI output
- Copy result to clipboard with one click
- 100% client-side — your data never leaves your browser