ICO vs PNG
ICO and PNG solve different problems. ICO is a multi-resolution container designed for Windows and favicon delivery; PNG is a single-resolution raster format optimized for fidelity and compression. Choosing between them depends entirely on context.
ICO embeds multiple resolutions, supports both BMP and PNG payloads internally, and is required for Windows desktop shortcuts.
PNG produces a smaller file at any single resolution and supports better lossless compression for flat-colour artwork.
For browser favicons: use .ico for the universal fallback, PNG for high-DPI declarations. For app installers and Windows shortcuts: .ico is mandatory. For modern web UI icons: PNG (or SVG) every time.
এটি কিভাবে কাজ করে
- 1
Decide your target surface
Windows shortcut or favicon → .ico. Web UI or modern app → PNG.
- 2
Start from a 512×512 source
FetchFavicon generates both formats from a single upload.
- 3
Convert or download
Use png-to-ico for the .ico path, image-resizer for clean PNG downsamples.
এখনই চেষ্টা করুন
Convert between ICO and PNG
PNG থেকে ICO রূপান্তরকারীসাধারণ প্রশ্ন
Can I open .ico files in any image editor?+
Most editors require a plugin. FetchFavicon's PNG-to-ICO tool eliminates the need by converting directly in your browser.
Does PNG support transparency like ICO?+
Yes — both formats support an 8-bit alpha channel.
Can I rename .png to .ico?+
No. Renaming does not change the file structure. Browsers and Windows will reject it. Use a real ICO encoder.