Convert JPG to ICO
Free online JPG 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 JPG to ICO?
JPG (JPEG) uses lossy compression to make small files, which is why it is the default for photographs across the web. It does not support transparency. 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.
- ICO supports transparency, so you can later cut out backgrounds — something JPG cannot store.
- Move to a lossless ICO file so no further quality is lost in editing — though detail already lost in the original JPG cannot be restored.
- Generate a Windows favicon or app icon — ICO is the format browsers and Windows expect for icons.
How to convert JPG to ICO
- Upload your JPG file. Drag and drop your JPG 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.
JPG vs ICO
| Property | JPG | ICO |
|---|---|---|
| Compression | Lossy | Lossless |
| Transparency | No | Yes |
| Best for | photographs, complex images with many colours, and anywhere small file size matters more than perfect detail | website favicons and Windows application/desktop icons |
Frequently asked questions
Is the JPG 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 JPG 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 JPG to ICO improve quality?
Converting to ICO stops any further quality loss, but it cannot recover detail already removed by the original JPG 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 JPG images up to 5 MB. Because processing is done on your device, very large images depend on your device's available memory.