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Code & Web

File Converters

Read a selected file as bytes and create a MIME-aware Base64 data URL without uploading or altering the file.

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File Converters

Read a selected file as bytes and create a MIME-aware Base64 data URL without uploading or altering the file.

File to Base64 Data URL ConverterRead any user-selected local file as exact bytes and build a copyable data URL with its browser-reported MIME type and RFC 4648 Base64 payload. Perfect for embedding images, fonts, or documents directly in HTML, CSS, or JavaScript without a server. Supports drag-and-drop and file picker workflows.Code & Web / File ConvertersTry it

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EncodersDecodersEncodingMarkup