Data URI Maker

Generate a data URI from any file for embedding in HTML or CSS.

What Is Data URI Maker?

Data URI Maker Generate a data URI from any file for embedding in HTML or CSS — free, instant, and no signup required. Generate a data URI from any file for embedding directly in HTML or CSS. Supports images, fonts, PDFs and more. Free data URI generator. It runs entirely in your browser so no data is sent to any server. No account needed, no usage limits, works on any device.

data uri makerdata uri generatorembed image in htmldata url creatorinline data uribase64 data uriembed file in css

How to Use Data URI Maker

Open Data URI Maker above, paste or enter your input, and results appear immediately. No button to press — the tool updates as you type. Use the copy button to grab your output. All data uri maker processing happens instantly in your browser.

Why Use Data URI Maker?

Data URI Maker is 100% free with no hidden costs. It works offline after the page loads since everything runs in your browser. Your data never leaves your device. There are no usage limits, no watermarks, and no forced sign-up. The interface works on desktop, tablet, and mobile.

Key Features

Image format conversion
Metadata extraction
Color analysis
Browser-based processing

Who Uses Data URI Maker?

Professional data uri maker tasks
Quick generate a data uri from any file for embedding in html or css checks
Learning and practicing image skills

Common Mistakes to Avoid

Not verifying that input data is properly formatted before submission
Assuming the tool handles edge cases that require manual validation

Tips for Data URI Maker

For best results with Data URI Maker: paste clean input without extra formatting. Use the copy button rather than selecting text manually. Bookmark this page for quick access. If you need related functionality, check the related tools in the sidebar. All results are generated locally — refreshing the page resets the input.

More Image & Media Tools

Data URI Maker is part of the Image & Media Tools topic. Explore related tools in this cluster:

Privacy & Security

Data URI Maker processes all data entirely within your browser using JavaScript. No text, files, or personal information is transmitted to any server. Your data stays on your device, making this tool safe for sensitive content. We do not track usage, store inputs, or share data with third parties. The tool works offline after the initial page load and requires no account to use.

Frequently Asked Questions

Find answers to common questions about this tool.

What file types can be converted to data URIs?

Images (PNG, JPG, GIF, WebP, SVG), fonts (WOFF, WOFF2, TTF), text files (CSS, JS, HTML, JSON), and PDFs.

What is the maximum file size for data URI conversion?

5 MB. Data URIs are Base64-encoded, adding about 33% overhead. Large data URIs may cause performance issues in browsers.

What MIME types are supported?

All common MIME types are auto-detected from the file extension. You can also manually set the MIME type if auto-detection is incorrect.

Can I embed multiple files into a single HTML page?

Yes. Upload multiple files and the tool generates a complete self-contained HTML page with all files embedded as data URIs.

Does the tool show the data URI size impact on page load?

Yes. The tool shows the data URI size and compares it to the original file size. A note explains that data URIs are not cached separately.