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Supports: ICO
An ICO file is a Windows icon container that can hold several sizes of the same image (commonly 16, 32, 48, and 256 pixels) along with a transparent background. This converter pulls the image out of that container and saves it as a standard JPG you can open, email, or drop into a document anywhere — no icon viewer required. Because JPG has no transparency, any transparent area is flattened onto a solid background (white by default), so the result is a flat rectangular photo-style image rather than a cut-out icon.
.ico onto the page or click "+ Add Files". You can queue several icons and convert them together.| Property | ICO (input) | JPG (output) |
|---|---|---|
| Origin | Microsoft icon container, used since Windows 1.0 | JPEG/JFIF, the most common lossy photo format |
| Holds multiple sizes | Yes — one file, several resolutions | No — a single fixed-size raster |
| Maximum dimension | 256×256 px (larger is possible but not recommended by Microsoft) | No fixed cap |
| Transparency | Yes — 8-bit alpha channel (since Windows XP) | No alpha channel; transparent areas are filled with a background color |
| Compression | Lossless (BMP) or PNG-compressed inside the container | Lossy |
| Best for | Favicons and desktop/app icons | Photos, web images, sharing where transparency is not needed |
An ICO can bundle several resolutions of the same artwork. The converter takes the embedded image and renders it to JPG; for a multi-size icon the largest available frame gives the cleanest result, so that is the sensible one to keep. If you need a specific pixel size, use the Image resolution controls under Advanced Options to set width and height before converting.
JPG cannot store transparency, so transparent pixels are flattened onto a solid color — white by default on this page. If your icon had a transparent or rounded background, expect a white (or chosen-color) rectangle behind it in the JPG. To keep the see-through background instead, convert to PNG with our ICO to PNG converter, which preserves the alpha channel.
Most icons are tiny — often 32×32 or 48×48 pixels. Enlarging a small source to a bigger JPG stretches the existing pixels; it cannot invent detail that was never captured, so edges look soft or blocky. For the sharpest output, start from the 256×256 frame if the ICO contains one, and avoid upscaling beyond the original pixel dimensions.
Sometimes, yes. A small 16- or 32-pixel icon is only a few hundred bytes to a couple of kilobytes, while a JPG carries its own header and color data, so a tiny icon can end up a slightly larger file. If file size matters, lower the Quality Preset or set a target file size under Advanced Options. To squeeze it further afterward, run the result through Compress JPG.
Yes — free, with no sign-up and no watermark. Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically a few hours after conversion. They are never shared or made public.
Yes. A favicon.ico is just an ICO file, so you can upload one and convert it to JPG to preview or reuse the artwork. Keep in mind the favicon may only contain small frames (16–48 px), so the JPG will be low-resolution unless the original also stored a larger image. In our testing, a typical 32×32 favicon converts in well under a second but produces a small, soft JPG — fine for a thumbnail, not for print.