Image to Base64 Converter
Convert any image to a Base64 data URI for embedding directly in HTML, CSS or emails. No external file needed. The image is processed on your device only.
Your files are never sent to our serversDrop an image here, or click to choose one
JPG, PNG, GIF, WebP, SVG. Nothing leaves your device.
Preview
Base64 output
Frequently asked questions
What is Base64 encoding?
Base64 is a method of converting binary data (like images) into ASCII text strings. It is commonly used to embed images directly in HTML, CSS, or JSON.
Why convert an image to Base64?
Base64 encoding lets you embed images directly in code without external file references. This is useful for emails, single-file HTML pages, and data URLs in CSS.
Is there a size limit?
Base64 increases file size by about 33%. For best performance, use images under 500 KB. The tool processes everything locally in your browser.
Does this work offline?
Yes. The conversion happens entirely in your browser with no server upload required.