Base64 Encoder / Decoder

Encode or decode text to/from Base64 format instantly.

Plain Text

How it works

Type or paste any text string and click Encode to convert it to Base64 format. Paste a Base64 string and click Decode to convert it back to plain text. The conversion happens instantly in your browser with no data sent to any server.

Why use this tool?

Widely used by developers to encode binary data for transmission in APIs, embed images as data URIs in HTML/CSS, and store credentials in HTTP Basic Auth headers. A must-have free online Base64 encoder decoder tool.

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