HEIC to ICO converter
Convert HEIC files to ICO with encrypted uploads and automatic deletion. Windows icon container format.
HEIC → ICO is queued for rollout
Image, spreadsheet, document and media conversions are live today. This pair needs our office engine, which is next on the roadmap.
How it works
Drop your file
Drag a HEIC file in, or click to browse. No account needed to try it.
We convert it
Encrypted upload, converted to ICO in our sharp pipeline.
Download the result
Grab your ICO file immediately, or find it later in your dashboard.
Why convert HEIC to ICO?
ICO is lossless, so converting from HEIC won't compound any quality loss on future edits — though it can't restore detail HEIC's lossy compression already discarded. The main reason to convert HEIC to ICO is compatibility: ICO opens in every browser, image viewer and design tool without a plugin, while HEIC doesn't always. If you're sharing a file with someone else, sending it to a tool that expects a specific format, or archiving it for the long term, ICO is usually the safer target.
Format comparison
| HEIC | ICO | |
|---|---|---|
| Extension | .heic | .ico |
| MIME type | image/heic | image/x-icon |
| Compression | lossy compression | lossless compression |
| Category | image | image |
Your file, handled carefully
Uploads are encrypted in transit and at rest, processed in an isolated job, and deleted on the schedule you choose — as fast as immediately. We don't index, search, or share files between accounts. Read the full security model →
Frequently asked questions
Is converting HEIC to ICO free?
Yes — the first 50 conversions every month are free on any plan, including HEIC to ICO.
Will I lose quality converting HEIC to ICO?
ICO is windows icon container format. We use the highest-quality encoder settings by default so visual or data loss is minimized.
Do you keep a copy of my file?
No, not by default. You choose a retention window at upload — immediate, 1 hour, 24 hours or 7 days — and the file is permanently deleted after that.
What is HEIC?
Apple's default photo format — efficient but poorly supported outside the Apple ecosystem.
Will my converted file have a watermark?
On the Free plan, ICO output includes a small "Converted with Convyx" mark. Pro ($9/mo) removes it, along with the 25 MB file size cap.
What happens if a conversion fails?
You get a clear error message and the job is marked failed in your history — we never silently drop a file. Retry is one click, and nothing is charged against your quota for a failed job.