🔒 Dev Tool

🔒 Base64 Encoder

Encode plain text or binary strings to Base64 format instantly. Everything runs locally — your data never leaves your browser.

Plain Text Input

Base64 Output

Encoded Base64 appears here…

Input: 0 chars

Output: 0 chars

Size increase: —

💡 Base64 encoding converts binary data into ASCII text using a 64-character alphabet. It increases size by ~33% but makes binary data safe for text-based protocols like JSON, XML, and email.