Convert HEIC to ICO
Free online HEIC to ICO converter. Drop an image below and convert it instantly — right in your browser, with no upload and no sign-up.
100% private — your image is processed in your browser and never uploaded.
Why convert HEIC to ICO?
HEIC is the high-efficiency format iPhones and modern Apple devices use by default, storing photos at roughly half the size of JPG at the same quality. Many Windows apps and websites cannot open it, so converting to JPG or PNG makes it shareable everywhere. ICO is the Windows icon container, used for application icons and website favicons. It can hold one or more small images, typically 16x16 up to 256x256 pixels.
- Move to a lossless ICO file so no further quality is lost in editing — though detail already lost in the original HEIC cannot be restored.
- Generate a Windows favicon or app icon — ICO is the format browsers and Windows expect for icons.
How to convert HEIC to ICO
- Upload your HEIC file. Drag and drop your HEIC image into the box above, or click to browse. Files up to 5 MB are supported.
- Adjust settings (optional). ICO is lossless, so there are no quality settings to adjust — just convert.
- Click "Convert to ICO". The conversion runs instantly in your browser. Nothing is sent to a server.
- Download your image. Click the download button to save your new ICO file to your device.
HEIC vs ICO
| Property | HEIC | ICO |
|---|---|---|
| Compression | Lossy | Lossless |
| Transparency | Yes | Yes |
| Best for | turning iPhone photos into a format every device, app and website can open | website favicons and Windows application/desktop icons |
Frequently asked questions
Is the HEIC to ICO converter free?
Yes. ConvertPix is completely free with no limits on the number of conversions, no watermarks, and no account required.
Are my HEIC images uploaded to a server?
No. Conversion happens entirely inside your web browser using your own device. Your images are never uploaded, stored, or seen by anyone.
Will converting HEIC to ICO improve quality?
Converting to ICO stops any further quality loss, but it cannot recover detail already removed by the original HEIC compression. The result matches your source as closely as possible.
Does ICO support transparency?
Yes, ICO supports a transparency (alpha) channel, so transparent areas are preserved.
What is the largest file I can convert?
You can convert HEIC images up to 5 MB. Because processing is done on your device, very large images depend on your device's available memory.