Base64 Encoder / Decoder

Encode text or files to Base64, or decode Base64 back to text — free, no signup. Live encoding and decoding as you type, plus file upload support.

Text to Encode → Base64

Base64 Output

Base64 to Decode → Text

Decoded Text

Encode a File to Base64 File Base64 Output

Base64 is commonly used to encode binary data (like images or files) into text for safe transmission in HTML, CSS, JSON, or email. This free encoder/decoder handles all standard Base64 encoding in your browser.