Online Base64 Viewer

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base64.txt

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Used for the data URI prefix and the download file name. Leave empty to use the sniffed type.

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About

Base64 encodes binary data as 64 printable ASCII characters. It is how images are embedded in CSS and HTML as data: URIs, and how binary payloads travel through text-only channels such as e-mail or JSON.

Paste a Base64 string or a full data URI on the left; the Preview tab renders it as an image, as text, or as a hex dump.

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Nothing is uploaded. Decoding, sniffing and rendering all happen in your browser, and the site has no server side and no database.

base64.txt

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Nothing decoded yet — paste Base64 in the base64.txt tab.

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