Does HEIC to ICO upload my file or text to Tool-You servers?

No. HEIC to ICO runs in this browser tab. Files stay on the device. Limit note: 32-bit ICO. First HEIC frame. Max 20 MB.

Should I use HEIC to PNG instead of HEIC to ICO?

Use HEIC to ICO when you need Decode HEIC and encode ICO. Use HEIC to PNG when you need Convert HEIC to PNG. They share a category (Images) but not the same job.

HEIC to ICO

Decode HEIC and encode ICO.

Uses heic2any then a 32-bit ICO. Unlike HEIC to PNG this is ICO. Unlike PNG to ICO this starts from HEIC. First frame only. Max 20 MB.

What HEIC to ICO does

Uses heic2any then a 32-bit ICO. Unlike HEIC to PNG this is ICO. Unlike PNG to ICO this starts from HEIC. First frame only. Max 20 MB.

This URL is only for HEIC to ICO (heic to ico). Decode HEIC and encode ICO. Other Images tools on Tool-You look similar in the chrome, so the job definition below is the part that belongs to HEIC to ICO alone: Uses heic2any then a 32-bit ICO. Unlike HEIC to PNG this is ICO. Unlike PNG to ICO this starts from HEIC. First frame only. Max 20 MB.

How to use HEIC to ICO

Stay on this HEIC to ICO page (/heic-to-ico). Do not switch to HEIC to PNG unless you actually want Convert HEIC to PNG..
Add the file type HEIC to ICO accepts. Hint from the path: heic to ico. Decode HEIC and encode ICO.
Set only the options that match HEIC to ICO. Neighbor PNG to ICO does something else (Make a favicon ICO from a PNG.). Tool note: Uses heic2any then a 32-bit ICO. Unlike HEIC to PNG this is ICO. Unlike PNG to ICO this starts from HEIC. First frame only. Max 20 MB.
Run HEIC to ICO in this tab. Browser memory still applies: 32-bit ICO. First HEIC frame. Max 20 MB.
Download or copy the result from HEIC to ICO. If it is the wrong job, open HEIC to PNG instead.

When not to use HEIC to ICO

Skip HEIC to ICO when a neighbor tool matches better — start with HEIC to PNG or PNG to ICO — or when the description already warns the job will fail. In the tool’s own words: Uses heic2any then a 32-bit ICO. Unlike HEIC to PNG this is ICO. Unlike PNG to ICO this starts from HEIC. First frame only. Max 20 MB.

Questions about HEIC to ICO

What does HEIC to ICO do that other Images pages on this site do not?: Uses heic2any then a 32-bit ICO. Unlike HEIC to PNG this is ICO. Unlike PNG to ICO this starts from HEIC. First frame only. Max 20 MB. Short version: Decode HEIC and encode ICO.
Does HEIC to ICO upload my file or text to Tool-You servers?: No. HEIC to ICO runs in this browser tab. Files stay on the device. Limit note: 32-bit ICO. First HEIC frame. Max 20 MB.
Should I use HEIC to PNG instead of HEIC to ICO?: Use HEIC to ICO when you need Decode HEIC and encode ICO. Use HEIC to PNG when you need Convert HEIC to PNG. They share a category (Images) but not the same job.
What are the limits of HEIC to ICO?: 32-bit ICO. First HEIC frame. Max 20 MB. Also: Uses heic2any then a 32-bit ICO. Unlike HEIC to PNG this is ICO. Unlike PNG to ICO this starts from HEIC. First frame only. Max 20 MB.