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WebP to ICO

To convert a WebP to ICO, drop your WebP into Logo2Favicon and it decodes and encodes a true multi-resolution favicon.ico containing 16x16, 32x32, and 48x48 images in one file - not a renamed WebP. The conversion runs in your browser, so nothing is uploaded. This is the to-ICO sibling of WebP to favicon when you only need the .ico itself.

What this conversion is

A WebP-to-ICO conversion decodes your WebP and re-encodes it into the ICO container format. ICO is a Windows/web icon format that can hold several resolutions in a single file, which is exactly why favicon.ico is the universal browser fallback. The tool packs 16, 32, and 48 into one .ico, decoding the WebP first because ICO cannot store WebP data.

Why and when you need it

  • Browsers auto-request /favicon.ico from the site root, and that file cannot be a WebP - it must be a real ICO.
  • ICO stores multiple sizes in one file, so the browser picks the crispest match without extra requests.
  • Renaming a .webp to .ico does not work - the byte structure is completely different and clients reject it.

How to do it with Logo2Favicon

  1. Open the generator. Open the Logo2Favicon generator on the homepage.
  2. Drop your WebP. Upload a square WebP at 256x256px or larger so the 16/32/48 frames stay sharp.
  3. Generate the ICO. The tool decodes the WebP and encodes a real multi-resolution favicon.ico (plus the rest of the set) in your browser.
  4. Download favicon.ico. Download the bundle and place favicon.ico at your site root; browsers find it automatically.

Format gotchas

  • A renamed .webp is not a valid .ico - the WebP must be decoded and re-encoded into the ICO structure, which is what this conversion does.
  • Keep ICO contents to 16/32/48; larger sizes belong in PNG icons and the manifest, not the ICO.
  • WebP transparency is preserved in the ICO, but very fine detail still vanishes at 16x16 - simplify the mark.
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Start: webp to ico

Drop your file into the generator and download the complete, correctly named set in seconds - generated privately in your browser, with nothing uploaded and no sign-up.

Open the generator

Frequently asked questions

How do I convert a WebP to an ICO file?
Drop your WebP into Logo2Favicon and it decodes the image and encodes a real multi-resolution favicon.ico containing 16, 32, and 48px frames. It runs in your browser and you download the .ico directly.
Can I just rename WebP to .ico?
No. ICO is a different container format that cannot hold WebP data. Renaming changes the extension but not the bytes, so browsers reject it. The image must be decoded and re-encoded.
What sizes should be inside a favicon.ico?
16x16, 32x32, and 48x48. ICO is multi-resolution, so packing those three covers tabs, taskbars, and shortcuts from a single file.
Is the WebP uploaded to convert it?
No. Decoding and ICO encoding happen locally in your browser, so the WebP never leaves your device. The conversion is private and instant.

Other conversions

  • PNG to favicon - Turn a single PNG into favicon.ico plus every modern icon size, instantly and privately.
  • SVG to favicon - Rasterize a crisp vector logo into favicon.ico and every PNG/Apple/PWA size.
  • JPG to favicon - Strip a JPG's solid background and export a clean favicon.ico and full icon set.
  • Logo to favicon - One logo becomes the entire production-ready favicon and app-icon set in seconds.
  • PNG to ICO - Encode a real multi-resolution favicon.ico (16/32/48) from one PNG - not a rename.

Prefer a platform-specific walkthrough? See favicon by platform, or read the complete favicon guide.