Convert WebP to ICO Online
Saved a .webp off the web and your software will not open it? Turn it into ICO.
Drop your WebP file here
or click to select
How WebP to ICO works
Upload WebP
Drag & drop or click to select your WebP file.
Choose Options
Adjust quality, size, or other output settings if needed.
Download ICO
Click Convert and your ICO file downloads instantly.
About WebP to ICO conversion
The usual job is turning a logo you have as a .webp into a site favicon. The output bundles 16x16, 32x32 and 48x48 in one file so browsers and Windows shortcuts each pick the size they need. WebP is a delivery format, not a working format. Browsers render it everywhere, but the moment a .webp leaves the browser it hits software that never caught up — Photoshop only added WebP support in version 23.2, Office before 2021 will not place one, Outlook will not render one inline, and a long tail of upload forms validate against a hard-coded list that has never heard of it.
ICO — Windows Icon — is bundles png or bmp data per size with full alpha in the png-based variants and support described as: browsers and windows. Where WebP is optimised for the last hop to a browser, ICO is what the software on the other side of that hop is expecting. Converting is a one-step fix for the "this file type is not supported" wall.
Size is the trade-off worth knowing about: ICO files are small by definition — icons are tiny. Start from the largest, squarest source you have. Icons are generated by downscaling, and a busy or non-square image turns to mush at 16x16.
Where ICO comes from
ICO is the Windows icon container, dating to Windows 1.0 in 1985. Its distinguishing feature is that one file holds several resolutions at once, so the system picks the sharpest version for the context. That is exactly what browsers want from a favicon, which is why a 1985 Microsoft format is still sitting at /favicon.ico on most of the web.
WebP vs ICO at a glance
| WebP | ICO | |
|---|---|---|
| Compression | Lossy VP8 or lossless VP8L | Bundles PNG or BMP data per size |
| Transparency | Full 8-bit alpha in both modes | Full alpha in the PNG-based variants |
| Animation | Native animation support | Not supported |
| Colour depth | 8-bit per channel, sRGB | 8-bit per channel |
| Where it opens | Every current browser; patchy in desktop applications | Browsers and Windows |
| Typical file size | The baseline | Small by definition — icons are tiny |
Real-world workflow — Getting a web-saved image into software that rejects WebP
- Save an image from a web page and find it lands as a .webp
- The target application refuses it outright — a common wall with ICO workflows
- Drop the .webp here and convert it to ICO
- Set the options the destination needs (size, page format, colour handling)
- Import the ICO file — it opens without complaint
Recommended conversion settings
| Use case | Settings |
|---|---|
| Sharing and general use | Defaults — ICO is lossless, so there is no quality dial |
| Uploading to a form with a size cap | Resize to the maximum accepted dimensions before converting |
| Printing | Keep full resolution and leave metadata intact for colour profiles |
| Editing afterwards | Convert once from the best source — avoid round-tripping through ICO repeatedly |
| Privacy-sensitive images | Enable strip metadata to remove EXIF, GPS and camera identifiers |
Where will your ICO file open?
| Platform | WebP | ICO |
|---|---|---|
| Chrome / Edge / Firefox | ✓ | ✓ |
| Safari 14+ / iOS 14+ | ✓ | ✓ |
| Windows Photos | ✓ | ✓ |
| macOS Preview & Quick Look | ✓ | ~ |
| Adobe Photoshop | ~ | ✓ |
| Microsoft Office 2021+ | ✓ | ~ |
| Email clients (Outlook, Gmail) | ✗ | ✗ |
| Social media uploaders | ~ | ✗ |
| Print & prepress (RIP) | ✗ | ✗ |
When to convert WebP to ICO
The usual job here is turning a logo you have as a .webp into a website favicon. Browsers still expect one at /favicon.ico, and the ICO container bundles several resolutions in a single file so the browser, the bookmark bar and a Windows shortcut each pick the size they need.
Windows developers use ICO for application icons, installers and desktop shortcuts too. Converting straight from a WebP lets a designer working in web assets deliver Windows icon files without an intermediate export step through another tool.
Start from the largest, squarest source you have. Every icon size is produced by downscaling, and a sharp 512×512 or 1024×1024 crop yields far cleaner 16×16 results than a small or visually busy image. Square-crop first — non-square sources get letterboxed or distorted.
WebP to ICO tips
- If the goal is simply "make this open in my software", ICO is usually the right call — but check whether the destination accepts PNG or JPG first, since those are accepted even more widely.
- Convert from the highest-quality WebP you have. Each lossy re-encode costs a little detail, and starting from an already-compressed copy compounds it.
- Strip metadata before sharing. Images saved from the web can carry the original photographer's EXIF, including camera serial and, occasionally, GPS coordinates.
- Batch the job rather than converting one at a time — the queue runs conversions in parallel and returns a single zip.
- Keep the .webp original if the image is also going back onto a web page. Serving the ICO version instead will cost you page weight.
Related tools
Formats involved
WebP – Web Picture Format (Google)
ICO – Windows Icon Format
WebP to ICO — frequently asked questions
Related guides & articles
Maybe you wanted something else?
- You just need something that opens everywhere → WebP to JPG
- You need to keep the transparency → WebP to PNG
- You are submitting this to a portal or form → WebP to PDF
- The file is simply too big → Compress WebP
- You want to pick a different output format → Image Converter
Related conversions
WebP → WebP
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