Base64 Encoder

Encode and decode Base64 strings instantly

InputPaste or type text

Output

Output will appear here

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What is Base64 encoding?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used for embedding images in HTML/CSS, encoding email attachments, and transmitting data over text-based protocols. This tool encodes and decodes Base64 entirely in your browser — nothing is sent to any server.