Browser edition: files stay on your device. Up to 100 MB total and 10 minutes. First use downloads a 32 MB engine. Some formats depend on codec support. Public-link downloading is not ready on this free deployment.
Convert JPG to ICO
Convert JPG to ICO online for free. Real conversion, batch support, no sign-up.
How to convert JPG to ICO
- Add your fileDrop it on the page, choose it from your device, or paste it with Ctrl+V.
- ConvertAdjust settings if you like, then press the button. You'll see live progress.
- Browser processing uses original files on your device. Public-link downloading is unavailable.
What happens to your file
JPG files are common for photos, web images, email attachments, printing, but not every app or device opens them. ICO works best for website favicons, Windows icons. Spool converts JPG to ICO with FFmpeg and libheif/Pillow — real decoding and encoding, not a renamed file extension.
Convert and edit files on your device. The browser edition accepts up to 100 MB total, media up to 10 minutes and video up to 4K. Codec availability and device memory can limit individual jobs.
The ICO file includes 16, 24, 32, 48, 64, 128 and 256 px sizes, so it is ready to use as a website favicon or Windows icon.
JPG vs ICO
| JPG | ICO | |
|---|---|---|
| Full name | JPEG | Windows Icon |
| Created by | Joint Photographic Experts Group, 1992 | Microsoft, 1985 |
| Type | Image | Image |
| Typical contents | lossy DCT compression, 8-bit color | multi-resolution icon container (PNG/BMP) |
| Best for | photos, web images, email attachments, printing | website favicons, Windows icons |
| Strength | Universal compatibility | Holds several icon sizes in one file |
| Weakness | No transparency | Only for small icons |
About JPG
- Type
- JPEG
- Contains
- lossy DCT compression, 8-bit color
- Use
- photos, web images, email attachments, printing
About ICO
- Type
- Windows Icon
- Contains
- multi-resolution icon container (PNG/BMP)
- Use
- website favicons, Windows icons
FAQ
Are my photos uploaded?
Convert and edit files on your device. The browser edition accepts up to 100 MB total, media up to 10 minutes and video up to 4K. Codec availability and device memory can limit individual jobs.
Can I convert several JPG files at once?
Yes. Drop up to 10 files at a time — each one is converted in parallel and you can download them individually or all at once.
Is there a file size limit?
Convert and edit files on your device. The browser edition accepts up to 100 MB total, media up to 10 minutes and video up to 4K. Codec availability and device memory can limit individual jobs.
Is this JPG to ICO converter free and safe?
Yes. There are no pop-ups, redirects or fake download buttons, and no software to install. Files are transferred over HTTPS, processed in isolated job folders and deleted automatically.