How do I encode text to Base64?

Paste your text, select Encode mode, and click Convert. Your Base64-encoded string appears instantly.

How do I decode a Base64 string?

Paste your Base64 string, select Decode mode, and click Convert to get the original text back instantly.

Free Base64 Encoder Decoder Online

Input

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Output

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?? What is Base64?

Base64 is a binary-to-text encoding scheme that converts binary data into a set of 64 printable ASCII characters. It's widely used to encode data in email, embed images in HTML/CSS, and transmit binary data over text-based protocols.

Common Use Cases

Embedding images as data URIs in HTML/CSS
Encoding email attachments (MIME)
Storing binary data in JSON or XML
Basic authentication in HTTP headers
JWT token encoding

?? Base64 Encoder / Decoder

?? What is Base64?

Common Use Cases