Image ToolsFree

PNG to ICO

Convert PNG images to ICO format for website favicons and Windows application icons. Generates all required sizes (16×16, 32×32, 48×48, 64×64) packed into a single ICO file. Drop in your logo and get a production-ready favicon.ico in seconds. No signup.

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PNG files · Generates 16×16, 32×32, 48×48, 64×64 sizes in one ICO

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Frequently Asked Questions

What sizes are included in the output ICO file?▼
16×16, 32×32, 48×48, and 64×64 pixels — all packed into a single ICO file. This covers all standard use cases: browser tab favicons (16×16), Windows taskbar icons (32×32), and higher-DPI display icons (48×48, 64×64).
Can I use this for my website favicon?▼
Yes. Upload your logo PNG, download the favicon.ico, and place it in your website's root directory. Reference it in HTML with <link rel='icon' href='/favicon.ico'>.
What's the best PNG size to start with?▼
Start with a square PNG at 256×256 or 512×512 pixels for the best quality at all ICO sizes.
Is the conversion done in the browser?▼
Yes. All ICO packing happens locally using Canvas. No PNG is uploaded to any server.
Can browsers use multi-size ICO files?▼
Yes. Browsers automatically select the best size from the ICO file based on display DPI and context.