When to use this conversion
Browsers require ICO or specific PNG sizes for favicons.
Best workflow
Upload a square logo and download a multi-size ICO file.
Use the free tool
Open ICO Converter to complete this task. The tool page includes the active converter, privacy guidance, FAQs, and related formats.
Quality checklist
- Keep your original file until the new file is verified.
- Check that text, faces, logos, or important details remain readable.
- Use compression only as much as the upload limit requires.
- Confirm the output format is accepted by the app, portal, or website.