Convert HEIC to ICO
Free, instant and private — your HEIC files are converted right in your browser and never uploaded to a server.
How to convert HEIC to ICO
- Step 01
Add your HEIC files
Drop them into the box above or click to browse. You can add several files at once.
- Step 02
Conversion starts instantly
It runs in your browser using its built-in image engine — no upload, no queue, no waiting.
- Step 03
Download your ICO files
Save each file individually or grab them all at once. Done.
Why convert HEIC to ICO?
Got a logo or graphic saved as HEIC and need a favicon? This decodes it and packs it straight into a multi-size .ico (16, 32, 48 px), keeping transparency along the way — the quick path from an iPhone-style photo format to the icon browsers expect at /favicon.ico.
HEIC vs ICO at a glance
HEIC is Apple's default photo format — roughly half the size of JPG at the same quality, but barely supported outside Apple devices. ICO is the Windows icon container — bundles several sizes in one file, still the format browsers expect for favicon.ico.
| Property | HEIC | ICO |
|---|---|---|
| Extension | .heic, .heif | .ico |
| Full name | High Efficiency Image Format | Windows Icon |
| First released | 2015 | 1985 |
| Developed by | MPEG (popularized by Apple) | Microsoft |
| Compression | Lossy | Lossless |
| Transparency | Yes | Yes |
| Animation | No | No |
| Best for | iPhone and iPad photos — high quality at half the size of JPG | favicons and Windows application icons |
HEIC to ICO — frequently asked questions
Is this HEIC to ICO converter really free?
Yes — completely free, with no sign-up, no watermarks and no daily limits.
Are my HEIC files uploaded to a server?
No. The conversion happens entirely on your device using your browser's built-in image engine. Your HEIC files never leave your computer or phone — which is also why the conversion is nearly instant.
Will converting HEIC to ICO lose quality?
No. ICO is a lossless format, so the converted file keeps every pixel exactly as decoded from your HEIC.
Is the transparency preserved?
Yes. If your HEIC has a transparent background, the resulting ICO keeps it.
What sizes will the ICO contain?
16×16, 32×32 and 48×48 — the three favicon standards — all in one file, so each context picks the sharpest.