File to Data URI Converter

Convert uploaded files into base64-encoded Data URIs for inline embedding in HTML or CSS.

How It Works & Processing Standards

Convert uploaded files into base64-encoded Data URIs for inline embedding in HTML or CSS.

Current Limits

  • Maximum input length: 100,000 characters

File to Data URI Converter is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use File to Data URI Converter

  1. 1
    Select FileChoose an image, icon, or document from your device.
  2. 2
    Copy Data URICopy the generated data:[mime];base64,... string.

Common Use Cases

  • Inlining small icons in CSS background rules, self-contained email newsletters, and offline HTML packaging
Have feedback or ideas for this tool? Suggest & Inquire →