Base64 Encoder / Decoder

Encode text or files to Base64, or decode Base64 back to text. Works entirely in your browser — nothing is uploaded.

Base64 Encoder & Decoder

Encode Decode

Text to Encode

Or Upload File to Convert to Base64

URL-Safe Base64 (replaces + with - and / with _)

Output

🔒 Text and files are processed 100% locally in browser memory via the FileReader API.