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Supports: ICO
An ICO file is a Windows icon container — it can pack several sizes and color depths into a single file, which makes it awkward to drop into a CMS, forum, or editor that only accepts ordinary images. This converter pulls the icon out into a standard GIF that opens anywhere. The result is a single static image (an icon has no animation to preserve), and because a 32×32 icon stays a 32×32 GIF, you get a faithful, lightweight copy rather than an upsized one. No sign-up, no watermark.
.ico onto the page or click "+ Add Files" to browse. You can queue several icons and convert them in one batch.| Property | ICO (source) | GIF (output) |
|---|---|---|
| Purpose | Windows / app icons, favicons | General-purpose raster image, web graphics |
| Images per file | Multiple sizes + color depths in one container | One image, one fixed resolution |
| Frame used | Largest stored frame by default (most detail) | Single static frame — no animation |
| Colors | Up to 24-bit color (1-bit to 32-bit per frame) | 256 indexed colors max (MDN) |
| Transparency | 8-bit alpha (since Windows XP) | 1-bit on/off only — no semi-transparent pixels |
| Compression | BMP or PNG-encoded frames (PNG-in-ICO since Windows Vista) | LZW, lossless |
| Best for | Bundling icon sizes for an OS | Embedding where only .gif is accepted |
For icons-as-images on the modern web, PNG is usually the better target — it keeps full alpha transparency and a wider color range. Use ICO to PNG for that, or ICO to JPG if you want a flat image on a solid background.
By default the converter uses the largest image stored in the icon, since that frame carries the most detail. A favicon often bundles 16×16, 32×32, and 48×48 versions (sometimes 256×256); pulling the biggest gives you the most usable GIF. If you need a specific smaller size, scale it down afterward with "Preset Resolutions" or "Width × Height".
No. An ICO is a still icon with no frames to play, so the output is always a single static GIF. GIF can hold animation, but there is nothing to animate when the source is an icon. If you need a moving GIF, you'd start from a video or an existing animation, not an icon file.
Partly. GIF supports only 1-bit transparency — a pixel is either fully transparent or fully opaque, with no in-between. ICO's hard-edged, icon-era transparency maps onto that reasonably well, but soft anti-aliased or semi-transparent edges can develop a visible fringe. If preserving smooth alpha matters, convert to ICO to PNG instead, since PNG keeps the full 8-bit alpha channel.
Because it is the same size. A 32×32 icon converts to a 32×32 GIF — conversion copies pixels, it doesn't add resolution. In our testing, a 48×48 icon frame produced a crisp 48×48 GIF of just a few kilobytes, while a 16×16 favicon stayed 16×16 and only looked larger when scaled up, with the expected softening. Start from the icon's largest frame if you want the most pixels to work with.
When a system demands .gif specifically — some legacy CMSes, older forum software, ticketing tools, and email templates accept GIF but not ICO. It's also handy for archiving a retro favicon as a viewable image, or embedding a small icon graphic where GIF is the expected format. For general web use, a PNG is the more capable choice.
Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically a few hours after conversion — never shared or made public. No account or email is required.