JPG to ICO Converter
Upload a JPG or PNG and download a multi-size .ico favicon instantly — converted entirely inside your browser.
Upload Image
Icon Sizes to Include
All four sizes are recommended for maximum browser and OS compatibility.
Select at least one size.
Icon Preview
Upload an image to see icon previews
Each size is shown at actual pixel dimensions
Each icon shown at actual size on a checkered background
Output ICO file
Downloaded!
Summary
Upload a JPG or PNG and download a multi-size .ico favicon instantly — converted entirely inside your browser.
How it works
- Select or drag a JPG or PNG image onto the upload area.
- Choose which icon sizes to include (16, 32, 48, 64 px).
- The tool draws each size onto a hidden Canvas element in your browser.
- Raw PNG-compressed pixel data for each size is packed into a valid ICO binary.
- A preview grid shows each size at actual pixels before you download.
- Click "Download ICO" to save the favicon.ico file to your device.
Use cases
- Create a favicon.ico for a website from a logo or brand image.
- Generate Windows application icons from a photo or graphic.
- Produce multi-resolution ICO files without installing software.
- Convert a high-resolution PNG logo to a compact .ico for browser tabs.
- Prepare favicons for static site generators that require an ICO file.
- Quickly test how a logo looks at small icon sizes before finalizing it.
- Replace a missing favicon without leaving the browser.
- Process brand images privately without uploading to a third-party service.
Frequently Asked Questions
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Last updated: 2026-05-29 ·
Reviewed by Nham Vu