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Base64 Converter

Type text or drop a file to convert it to Base64. Everything runs in your browser — content is never sent to a server.

Convert Text

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Convert a File

Drop a file here, or click to select

About This Tool

  • Conversion happens entirely in your browser; content and files are never sent to a server.
  • Pasting a data: URI directly when decoding automatically detects the MIME type.
  • Click [Open in new tab] to view the content directly in the browser via the data: scheme.
  • Dropping a file lets you copy or directly open that file's Base64 and data: URI.