Convert ICO to JPG
Output is typically roughly 32× larger.
- Files stay on your device
- No upload, no waiting
- No sign-up, no watermark
How it works
Add your ICO file
Drag a ICO file onto the drop zone, or click to browse. You can select several at once.
Choose your settings
Adjust the quality slider if you want a smaller file or a sharper result. 80 suits most photographs.
Download the JPG
Conversion runs on your device as soon as each file is added — no upload, no queue. Download each result when it is ready.
Related tools
All image toolsQuestions
Why does a 32-pixel icon look so bad as a JPG?
JPEG works in 8 × 8 pixel blocks, so on a 32-pixel image there are only sixteen blocks across the whole picture and every compression artefact lands somewhere you will notice. The format was designed for photographs several thousand pixels wide. At icon sizes, use PNG.
Will converting ICO to JPG make the file smaller?
Usually, yes. A 12-megapixel photo is around 100 KB as ICO and around 3.2 MB as JPG — roughly 32× larger. Because JPG is a lossy format you can trade quality for size, so the exact result depends on the quality setting you pick.
Does converting ICO to JPG lose quality?
A little, by design. ICO is lossless and JPG is lossy, so some detail is discarded in exchange for a much smaller file. At quality 80–90 the result is visually indistinguishable from the original for photographs. For screenshots, logos or anything with sharp text, stay with a lossless format instead — lossy compression creates visible halos around hard edges.
What happens to transparent areas?
JPG has no alpha channel, so transparency cannot be preserved. Any transparent or semi-transparent pixels are composited onto a solid background — white by default — before encoding. If transparency matters, convert to PNG or WebP instead, both of which support it fully.
What quality setting should I choose?
Quality 80 is the sweet spot for photographs — visually indistinguishable from the original for almost everyone, at a fraction of the size. Go to 90–95 for images you will edit or print later. Below 70, blocking artefacts start showing in smooth gradients like skies. Remember that JPEG loses a little more on every re-save, so always edit from the original.
About ico to jpg
Why people convert ICO to JPG
Rare, and usually someone who just wants a viewable copy of an icon rather than a working asset.
PNG is almost always the better choice here. Icons are small, flat and usually transparent — three things JPEG handles badly. Convert to JPEG only if something downstream genuinely refuses anything else.
Worth knowing: Transparency flattens to a solid background, and JPEG's artefacts are disproportionately visible at icon sizes because there are so few pixels to hide them in.
ICO and JPG side by side
| ICO | JPG | |
|---|---|---|
| Full name | Windows Icon | JPEG |
| Compression | Lossless | Lossy |
| Transparency | Yes — alpha channel | No |
| Animation | No | No |
| Browser support | Universal for favicons | Universal — every browser, every device |
| Typical 12 MP photo | ~100 KB | ~3.2 MB |
| Usually used for | Website favicons and Windows application icons | Photographs, email attachments and anything needing maximum compatibility |
On a typical 12-megapixel phone photo, the JPG output comes out roughly 32× larger than the ICO original. These are order-of-magnitude figures for one kind of image — your own results will vary a great deal, because flat colour, text and line art behave nothing like photographic detail, and the quality slider moves the figure substantially.
What to watch out for
- Lossy — quality degrades a little every time you re-save
- No transparency; transparent pixels are flattened to a solid colour
- Visible ringing and blocking around sharp text and hard edges
- Roughly 30% larger than WebP at matching visual quality
- Transparency is lost. ICO supports an alpha channel and JPG does not, so transparent pixels are flattened onto a solid background colour. Pick the background above before converting, or convert to PNG or WebP instead.
- This conversion is one-way. ICO is lossless and JPG is lossy, so detail discarded during encoding cannot be recovered by converting back. Keep the ICO original if you plan to edit the image later.
About the two formats
ICO is a container rather than a codec: it bundles the same icon at several sizes — typically 16, 32, 48 and 256 pixels — so the operating system or browser can pick the right one. Its remaining job is the favicon at the root of a website, and Windows application icons.
JPEG has been the default photo format for three decades, and its compatibility is unmatched — if a device can display an image at all, it can display a JPEG. The trade-offs are that it discards detail permanently on every save, and it has no transparency channel at all, so anything transparent becomes a solid background.
Other conversions
Everything runs on your device — nothing is uploaded, so there is no size limit, no queue and no copy left on a server afterwards. There is more on how browser-based conversion works if you want the detail. Otherwise, browse every image tool, or convert JPG back to ICO.