Convert PNG to ICO
Convert PNG to ICO online for free. Batch convert many images at once, right in your browser – no upload, no sign-up, no watermark.
- Upload
- Options
- Download
- ✓ 100% free
- ✓ No sign-up
- ✓ No limits
- 🔒 Files never leave your device
How to: PNG to ICO
- Select or drop your PNG images (batch supported).
- Choose quality and options – ICO is preselected.
- Click Start and download your ICO files (ZIP for several).
ICO is the icon format used by Windows and by website favicons. Convert a PNG into a multi-size ICO for desktop shortcuts, apps or a website tab icon.
Common uses
- Create a favicon.ico for a website.
- Make custom Windows folder or shortcut icons.
- Package icons for a desktop app.
Tips for best results
- Start from a square PNG of at least 256×256 px.
- For a full favicon set, use the Favicon Generator.
Why use Fileopia for PNG to ICO?
| Fileopia | Typical upload-based sites | |
|---|---|---|
| Files uploaded to a server | No – processed on your device | Yes |
| Sign-up required | Never | Often for bigger jobs |
| Hourly / daily task limits | None | Common on free plans |
| Watermark on output | Never | Sometimes |
| Works offline after loading | Yes, for most tools | No |
Your files never leave your device
PNG to ICO runs entirely in your browser using JavaScript and WebAssembly. Your files are read from your disk into this tab, processed in memory and saved straight back to your downloads folder – they are never uploaded to Fileopia or any third party.
- Test it yourself: once this page has loaded, switch off Wi‑Fi or mobile data and run the tool – it keeps working.
- Check the network: open your browser’s developer tools (F12 → Network) while processing; you will see no file upload requests.
- Nothing to delete: close the tab and the data is gone – there is no server copy, no retention period and no account.
Frequently asked questions
Will converting PNG to ICO reduce quality?
Lossless formats like PNG keep every pixel. For JPG, WEBP and AVIF you control the quality setting; 85–92 is visually identical for most photos.
Can I convert many PNG files at once?
Yes. Select as many files as you like; they are converted in your browser and downloaded together as a ZIP.
What size should my PNG be?
A square image of at least 256×256 pixels gives the best results at all icon sizes.
Is PNG to ICO really free?
Yes. Every tool on Fileopia is 100% free with no file limits, no sign-up and no watermarks. The site is supported by unobtrusive ads.
Are my files uploaded to a server?
No. Fileopia processes your files directly in your browser using JavaScript. Your documents never leave your device, so they stay completely private.
Does it work on mobile?
Yes. Fileopia works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux.