Convert PNG to ICO online in seconds — free, with no sign-up. ICO is lossless and ideal for website favicons and Windows app icons. Your files are encrypted and deleted automatically after 24 hours.
PNG
Portable Network Graphics — A lossless raster format that keeps every pixel and supports full alpha transparency.
ICO
Icon — A container format for small icons at multiple sizes, used for favicons and app icons.
How to convert PNG to ICO
- 1Upload your PNG file
Click “Choose a file” or drag and drop your PNG file onto the page — no sign-up or email needed.
- 2Convert to ICO
ICO is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your ICO file
Your ICO file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
PNG vs ICO
| PNG | ICO | |
|---|---|---|
| Full name | Portable Network Graphics | Icon |
| Type | Raster image | Raster image |
| Compression | Lossless | Lossless |
| Best for | logos, icons, screenshots and graphics with sharp edges or transparency | website favicons and Windows app icons |
Frequently asked questions
Does converting PNG to ICO lose quality?
No. Both PNG and ICO are lossless, so every detail is preserved exactly — the conversion is visually and mathematically identical to the original.
What's the difference between PNG and ICO?
Portable Network Graphics (PNG) is lossless and best for logos, icons, screenshots and graphics with sharp edges or transparency. Icon (ICO) is lossless and best for website favicons and Windows app icons. Convert PNG to ICO when you need a raster image for website favicons and Windows app icons.
Is the PNG to ICO converter free?
Yes — converting PNG to ICO is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my PNG files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert PNG to ICO on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert PNG to ICO?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert PNG files to?
Besides ICO, you can convert PNG to AVIF, BMP, GIF, JPG, PDF, PPM and more — see the full list of PNG conversions below.
Other conversions
Last updated July 2026