Images
Turn your ICO files into GIF in seconds. Everything happens in your browser: nothing is uploaded to any server.
Drag your files here
Or paste them with Ctrl+V. They never leave your device.
It is only meant for icons, not for large photos. As a GIF it shows in any old or new program, with 256 colours.
ICO is the container for Windows icons and website favicons, holding several sizes in one file.
Strengths: A single ICO carries the icon at 16, 32, 48 and 256 pixels so it looks sharp everywhere.
Limits: It is only meant for icons, not for large photos.
GIF is a veteran format limited to 256 colours, with single-level transparency and animation.
Strengths: It works everywhere and suits simple drawings, icons and short animations.
Limits: Photos lose a lot of colour; here only the first frame of an animated GIF is converted.
No. The ICO to GIF conversion runs entirely in your browser, with code downloaded from this site and executed on your device. You can check it in the Network tab of the developer tools or by going offline after the page loads.
Your device’s memory sets the limit: on desktop, images up to about 100 megapixels; on mobile, up to 16.7. If an image is too large you are told before it starts.
Yes. Drop as many ICO files as you like: several are converted at the same time, depending on your processor cores, and when they finish you can download each GIF or all of them in a ZIP.