GIF to Base64 Converter
Drag in a GIF image and instantly get its Base64 string and data URI — ready to paste into HTML, CSS, JSON or JavaScript. One click to copy.
100% client-side. Your image never leaves your device.
Drop a GIF here
or paste from clipboard · transparency & animation preserved
GIF to Base64, explained
Encoding a GIF to Base64 turns the image's binary data into a plain-text string you can embed directly in your code. GIF is best known for small animations and simple graphics; the Base64 data URI keeps the original GIF bytes, including animation frames.
How to use it
<img src="data:image/gif;base64,R0lGODlh..." alt="image" />
.hero { background-image: url(data:image/gif;base64,R0lGODlh...); }Browser support
A Base64 GIF data URI shows up in any browser that supports GIF — which today is every modern browser (Chrome, Firefox, Safari, Edge). Encoding to Base64 doesn't change format support; it only changes how the same bytes are delivered.
Keep an eye on size
Base64 still adds about 33% over the raw file and inlined images can't be cached on their
own. Animated GIFs can get large quickly, so a normal cached .gif file is usually faster for
anything beyond tiny icons, badges and single-file deliverables.
Private by design
The conversion runs locally with your browser's FileReader API — no upload, no server.
Frequently asked questions
What does a GIF Base64 string start with?
A GIF data URI starts with data:image/gif;base64, and the body commonly begins with R0lGOD, the Base64 form of a GIF87a or GIF89a header.
Will a Base64 GIF work in every browser?
It displays in any browser that supports GIF — all modern browsers (Chrome, Firefox, Safari, Edge). Base64 doesn't change format support, only how the bytes are delivered. Keep a PNG/JPG fallback only for very old browsers.
Is the conversion private?
Yes. Everything runs in your browser with the FileReader API. The GIF is never uploaded to any server.