Data URI Converter
File to Base64 data URI
100% local — nothing is uploaded
Output
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How to use
- Choose File → Data URI and drop any file.
- Copy the generated data: URI straight into HTML or CSS.
- Or paste a Data URI to inspect it and download the original file.
FAQ
Should I ship data URIs in production?
Only for very small assets. Data URIs bloat HTML/CSS, are not cached separately and cost ~33% more bytes than binary.
Is there a size limit?
The tool handles any file your browser can read, but data URIs above a few hundred KB are impractical in markup.