Online Base64 Encoder / Decoder

Encode and decode Base64 with full Unicode (Chinese, emoji, etc.) support. All processing happens locally — your data stays safe.

Input Text0 chars / 0 B

Output

Click "Encode" or "Decode" to see results

About the Base64 Tool

What is Base64?

Base64 is a method of representing binary data using 64 printable characters (A-Z, a-z, 0-9, +, /). It is widely used for transmitting binary data over text-based protocols (HTTP, SMTP) and embedding images in HTML/CSS.