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

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

Should I use JPG to ICO instead of WebP to ICO?

Use WebP to ICO when you need Encode a WebP still as ICO. Use JPG to ICO when you need Make a 256px ICO from a JPEG. They share a category (Images) but not the same job.

WebP to ICO

Encode a WebP still as ICO.

Decodes WebP then writes a 32-bit ICO. Unlike JPG to ICO this starts from WebP. Unlike PNG to ICO this is lossy WebP input. First frame only. Max 20 MB.

What WebP to ICO does

Decodes WebP then writes a 32-bit ICO. Unlike JPG to ICO this starts from WebP. Unlike PNG to ICO this is lossy WebP input. First frame only. Max 20 MB.

Practical limit for WebP to ICO: 32-bit ICO. First WebP frame. Max 20 MB. That is why output can differ from heavy desktop Images software. Read the tool-specific note again: Decodes WebP then writes a 32-bit ICO. Unlike JPG to ICO this starts from WebP. Unlike PNG to ICO this is lossy WebP input. First frame only. Max 20 MB.

How to use WebP to ICO

Stay on this WebP to ICO page (/webp-to-ico). Do not switch to JPG to ICO unless you actually want Make a 256px ICO from a JPEG..
Add the file type WebP to ICO accepts. Hint from the path: webp to ico. Encode a WebP still as ICO.
Set only the options that match WebP to ICO. Neighbor PNG to ICO does something else (Make a favicon ICO from a PNG.). Tool note: Decodes WebP then writes a 32-bit ICO. Unlike JPG to ICO this starts from WebP. Unlike PNG to ICO this is lossy WebP input. First frame only. Max 20 MB.
Run WebP to ICO in this tab. Browser memory still applies: 32-bit ICO. First WebP frame. Max 20 MB.
Download or copy the result from WebP to ICO. If it is the wrong job, open JPG to ICO instead.

When not to use WebP to ICO

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

Questions about WebP to ICO

What does WebP to ICO do that other Images pages on this site do not?: Decodes WebP then writes a 32-bit ICO. Unlike JPG to ICO this starts from WebP. Unlike PNG to ICO this is lossy WebP input. First frame only. Max 20 MB. Short version: Encode a WebP still as ICO.
Does WebP to ICO upload my file or text to Tool-You servers?: No. WebP to ICO runs in this browser tab. Files stay on the device. Limit note: 32-bit ICO. First WebP frame. Max 20 MB.
Should I use JPG to ICO instead of WebP to ICO?: Use WebP to ICO when you need Encode a WebP still as ICO. Use JPG to ICO when you need Make a 256px ICO from a JPEG. They share a category (Images) but not the same job.
What are the limits of WebP to ICO?: 32-bit ICO. First WebP frame. Max 20 MB. Also: Decodes WebP then writes a 32-bit ICO. Unlike JPG to ICO this starts from WebP. Unlike PNG to ICO this is lossy WebP input. First frame only. Max 20 MB.