Encoding Tool

Base64 Encoder / Decoder

Instantly encode or decode Base64 strings — right in your browser. No data is ever sent to a server.

Base64 Tool Client-Side — 100% Private

Plain Text Input

Input (Ctrl+Enter to encode)

Base64 Output

Output (read-only)

About Base64

Base64 is a binary-to-text encoding scheme that represents binary data using 64 printable ASCII characters. It's widely used for encoding data in email, HTTP headers, and storing complex data in JSON/XML formats.

100% Private

All processing happens in your browser. No data is ever transmitted to any server.

Instant Results

Encode or decode any text instantly with no waiting time.

Unicode Support

Fully supports Unicode and UTF-8 encoded strings.