ICO Converter Online Free
GKPTool ICO Converter allows you to convert images into favicon.ico format online. You can easily convert PNG, JPG or SVG images into multi-size ICO files used by websites and browsers.
What Is an ICO File?
ICO is the official icon format used by web browsers and Windows systems. A single ICO file can contain multiple icon sizes, allowing browsers to choose the best resolution automatically.
Create Favicon for Website
Favicons are small icons displayed in browser tabs, bookmarks and address bars. Every professional website requires a favicon.ico file.
- Browser tab icon
- Bookmark icon
- Website identity
- Brand recognition
PNG to ICO Converter
PNG is the most commonly used format for favicon creation. This tool converts transparent PNG images into ICO format while preserving clarity and sharp edges.
JPG to ICO Converter
You can also convert JPG or JPEG images into ICO format. The tool automatically resizes and optimizes the image for favicon usage.
Multi-Size Favicon Generator
GKPTool generates a single ICO file containing multiple icon sizes:
- 16×16 – browser tab
- 32×32 – bookmarks
- 48×48 – Windows desktop
- 64×64 – high-DPI displays
Live Browser Preview
Before downloading, you can preview how your favicon will appear inside a real browser tab. This ensures readability even at small 16×16 size.
Secure & Private Conversion
All ICO generation happens directly inside your browser. Your images are never uploaded to any server, ensuring full privacy and fast processing.
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Why Choose GKPTool ICO Converter?
- 100% free favicon generator
- No watermark added
- No login required
- Multi-size ICO support
- Developer-ready format
- Works on mobile and desktop
Frequently Asked Questions
Can I convert PNG to ICO online?
Yes, upload PNG and download favicon.ico instantly.
Does Windows require ICO?
Yes, Windows and browsers officially use ICO format.
Is this favicon generator free?
Yes, completely free with no limits.
Does it support transparent icons?
Yes, PNG transparency is preserved.
Is my image uploaded?
No. Everything runs locally in your browser.