Convert ICO to WebP
Convert your ICO icons to modern WebP format. Smaller files, transparency support, and perfect for websites.
ToFormat — free online converter
Upload your files
Max file size: 30MB · Up to 20 files at once
Why ToFormat?
Smaller Web‑Ready Files
WebP shrinks ICO images dramatically while preserving quality. Perfect for websites, apps, and storage.
Transparency Preserved
ICO icons often include alpha transparency. WebP supports full 8‑bit alpha, so your icons keep their transparency.
Batch Conversion
Upload up to 20 ICO files at once. We'll convert each to WebP and package in a ZIP for easy download.
About the Formats
🖍️ What is ICO?
ICO (Icon) is the native icon format for Windows. It can contain multiple images of different sizes and color depths (including 1‑bit, 4‑bit, 8‑bit, 24‑bit, 32‑bit with alpha). ICO files are used for program icons, favicons, and file type associations.
All ICO conversion tools →⚡ What is WebP?
WebP is a modern image format developed by Google in 2010. It supports lossy and lossless compression, transparency (alpha channel), and animation. WebP files are typically 25‑35% smaller than JPG at equivalent quality, and it's supported by 97%+ of browsers.
All WebP conversion tools →How to Convert
Upload your ICO file
Click or drag and drop your ICO files. You can select up to 20 at once.
Choose WebP settings & size
Select quality (lossy/lossless) and, if your ICO contains multiple sizes, pick which one to convert (usually the largest).
Download WebP
Your WebP files are ready. Download individually or as ZIP. Files auto‑delete in 10 minutes.
When to Convert ICO to WebP
🌐 Website Icons
Convert your ICO favicons to WebP for modern browsers. Smaller files, faster loading.
💡 Need PNG? Try ICO to PNG →📱 Mobile Apps
Use WebP icons in Android and iOS apps for better performance and smaller package size.
💡 For JPG compatibility: ICO to JPG →💾 Storage Optimization
Archive your icon collection in WebP. Save space while keeping transparency and quality.
💡 Lossless alternative: ICO to BMP →🔄 Legacy to Modern
Have old ICO files? Convert them to WebP for modern use and archival.
💡 Back to ICO: WebP to ICO →Format Comparison
| Format | ICO | WebP |
|---|---|---|
| Compression | Lossless | Lossy |
| Transparency | Yes | Yes |
| File Size | Larger | Smaller |
WebP is ideal for web and modern apps. For maximum compatibility, you may also need ICO to PNG (lossless) or ICO to JPG (lossy).
💡 Pro Tips
- Choose lossy WebP for photos in icons – quality 85% gives great results with smaller files.
- For icons with transparency, use lossless WebP or lossy with alpha (supported).
- If your ICO contains multiple sizes, select the largest size for best quality, or convert all sizes separately.
- Convert in batch mode – upload multiple ICOs and download all WebPs as a ZIP archive.
- We strip metadata by default for privacy. ICO rarely contains EXIF, but if present it is removed.
- WebP supports animation, but ICO does not. If you need animated icons, consider other formats.
- For favicon use, remember that older browsers need .ico. Provide both formats.
How ICO to WebP Conversion Works
ICO files can contain multiple images at different sizes and color depths. When converting to WebP, you typically extract a single image (usually the largest). Our server decodes the chosen ICO image to raw pixels, then encodes it as WebP with your selected quality settings. WebP supports both lossy and lossless compression, and preserves alpha transparency.
All processing is done in memory, and files are permanently deleted after 10 minutes.
ICO vs WebP: Key Differences
Purpose: ICO is for Windows icons; WebP is a modern web format.
Multi-size: ICO stores multiple resolutions; WebP stores one image per file.
Compression: ICO can use uncompressed or PNG compression; WebP offers superior lossy/lossless compression.
Transparency: Both support alpha – ICO via 32‑bit, WebP via 8‑bit alpha.
Use cases: ICO for Windows shortcuts/favicons; WebP for websites, apps, and storage.
When to Convert ICO to WebP
Convert ICO to WebP when you need a modern, space‑efficient format for web or app development. WebP files are smaller, load faster, and are supported by all modern browsers. Keep the original ICO for Windows compatibility (e.g., favicon.ico for older browsers).
Our WebP to ICO converter lets you go back when needed.