HEIC to ICO converter
Convert HEIC files to ICO with TLS uploads and automatic deletion. Windows icon container format.
Drop a HEIC file, or click to browse
Converts to ICO · runs live, right now
How it works
Drop your file
Drag a HEIC file in, or click to browse. No account needed to try it.
We convert it
Secure 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 |
Common reasons to convert HEIC to ICO
- Uploading to a website builder, ad network or CMS that only accepts ICO
- Shrinking page load time with a more compressible file than the HEIC original
- Moving to a format that won't compound further quality loss if you plan to keep editing
Your file, handled carefully
Uploads use TLS in transit and AES-256 SSE-S3 at rest in production (when the production S3 credential gate is enabled), are 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 Free plan includes 50 conversions every month, including HEIC to ICO. Paid plans raise that limit.
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?
Files are deleted automatically based on your plan's retention options. Free accounts can keep results for 1h or 24h; Pro and above add options such as delete-immediately and 7 days.
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. Monthly quotas count attempts (including failures) because processing starts as soon as the job is created.