CSS, HTML & URI
Image to Base64 & Data URI Converter
Convert local images to embeddable Base64 strings directly in your browser. Eliminates HTTP roundtrips with inline CSS and HTML image tags.
Image to Base64 & Data URI Generator100% In-Browser Privacy
Convert PNG, JPG, SVG, WebP, and GIF images into embeddable Data URIs for CSS background-image, HTML <img>, and Markdown.
Drag & Drop your image here, or click to browse
Supports PNG, JPG, SVG, WebP, GIF, and ICO (Zero bytes leave your computer)
Data URI & Raw Base64 Formats
HTML & CSS Ready Snippets
File Size vs Base64 Comparison
100% In-Browser Privacy
How to Use Image to Base64 & Data URI Generator (Step-by-Step Guide)
No software installation required. Complete your task in 3 easy steps directly in your browser.
1
Upload Any Image
Select or drag-and-drop PNG, JPG, SVG, WebP, or GIF image.
2
Review Size Diagnostics
Inspect original binary file size and calculated Base64 overhead.
3
Copy Code Snippets
Copy raw Base64 string, Data URI, HTML <img> tag, or CSS background-image.
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Rated 4.9 / 5 by 3,420+ users worldwide
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Frequently Asked Questions
Base64 images are ideal for small icons, favicons, email newsletters, and critical above-the-fold assets to eliminate extra HTTP requests.