Free Image to Base64 Encoder
Convert image files into Base64 Data URI strings for HTML/CSS embedding. No registration, runs 100% locally in your browser.
Drag and drop your file here
Or click to browse from your device
Max file size: 10MBTake screenshots and annotate directly in your browser
Why use manual online uploaders? With the free Supashot Chrome Extension, capture any visible page, selected region, crop, highlight, blur, and copy instantly without leaving your tab.
How Image to Base64 Encoder Works
Select or drop your image file into the dropzone.
Our reader instantly reads the file as an offline Data URL.
Copy the raw Base64 block or a pre-formatted HTML <img> tag or CSS background rule.
Frequently Asked Questions
Encoding images to Base64 allows you to embed them directly inside HTML pages or CSS stylesheets, reducing the number of extra HTTP requests your website needs to load.
Completely. Because the encoding is executed locally in your browser using standard HTML5 FileReader, your proprietary graphics never travel over the network.
Yes! Vector SVGs are encoded into compliant XML data URIs perfectly.
Yes! You can choose to copy the raw Base64 string, an HTML <img> tag, a CSS url(), or a JSON block.
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