ICO vs PNG — Comparison & Free Converter
Fast, instant ICO to PNG conversion. No signup required. Just drop your .ico file and get .png in seconds.
Batch Settings
お持ちのICOファイルを、ウェブやグラフィックデザインで汎用性の高いPNG形式へ変換しませんか？ Windowsのアイコンとして親しまれてきたICOは、透過性も扱える便利な形式ですが、ウェブブラウザでの表示やDTPソフトウェアでの利用を考えると、PNGへの変換がスムーズな場面が多くあります。特に、日本のデザイン現場では、漫画やアニメのキャラクター、ビジネス文書のロゴなど、透過性を活かした画像が頻繁に用いられます。PNGは、その高い透過性表現力と幅広い互換性で、あなたのクリエイティブな表現を力強くサポートします。当社の変換ツールは、画質の劣化を最小限に抑えつつ、簡単かつ迅速に変換を完了させることができます。複雑な設定は一切不要。アップロードしてボタンを押すだけで、すぐに高品質なPNGファイルを手に入れることが可能です。ぜひ一度お試しください。
- ウェブサイトのファビコン更新
- DTPでのロゴ配置
- SNS用アイコン作成
日本のデザインでは、透過性を活かしたロゴやイラストが多用されるため、ICOからPNGへの変換は、特にウェブ表示や印刷物での利用において、その表現の幅を広げる上で非常に有効です。
About ICO to PNG Conversion
ICO or PNG — which format should you use? The answer depends on your needs. Here's a quick breakdown.
ICO is the icon format used for website favicons and Windows application icons. It has universal platform support. PNG uses lossless compression and supports transparency, making it perfect for graphics, logos, and screenshots. It has universal platform support.
Full Name: ICO uses Icon File, while PNG uses Portable Network Graphics. Compression: ICO uses Lossless, while PNG uses Lossless. Transparency: ICO uses Yes, while PNG uses Yes.
So when should you convert ICO to PNG? This conversion is ideal when you You need a file that works in web browsers, or when you You need maximum device and software compatibility. This conversion helps you convert between formats quickly.
Converting ICO to PNG maintains high quality with CocoConvert's optimised encoder settings.
If you've decided PNG is the right choice, CocoConvert makes the conversion effortless. Upload your .ico file, pick PNG, and click Convert — done in seconds. The converter runs on secure servers in Germany, powered by FFmpeg, Sharp, and qpdf. Files are encrypted via TLS and erased within 24 hours.
Free tier: 5 files/hour, 250 MB each. Pro: 100 files/hour, 5 GB each. Works in every modern browser on desktop and mobile.
How to Convert ICO to PNG
- 1
Choose your ICO file
Upload your .ico file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to PNG
Select .png from the output options. The converter applies optimal quality settings automatically.
- 3
Run the conversion
Click Convert. Server-side processing means your device stays fast — even for large image files.
- 4
Get your PNG file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert ICO to PNG
Your ICO image is decoded into raw pixel data, then re-encoded as PNG. No quality loss — pixel data is preserved exactly.
Your ICO file is decoded — the compressed/stored pixel data is expanded into raw RGBA (with alpha channel) pixels
Pixels are re-encoded using Portable Network Graphics's lossless compression
Metadata (EXIF, ICC profiles) is transferred where PNG supports it
The PNG file is saved and ready for download
ICO vs PNG — Detailed Comparison
| Feature | .ICO | .PNG |
|---|---|---|
| Full Name | Icon File | Portable Network Graphics |
| Compression | Lossless | Lossless |
| Transparency | Yes | Yes |
| Animation | No | No |
| Color Depth | 32-bit (with alpha) | 8 or 16 bits/channel (up to 48-bit color) |
| HDR Support | No | No |
| Typical File Size | <100 KB | 5–20 MB per photo, <1 MB for graphics |
| Platform Support | Universal | Universal |
| Browser Support | Universal | Universal |
| Year Created | 1985 | 1996 |
| Open Standard | No | Yes |
Should You Convert ICO to PNG?
When to Convert
- ✓You need a file that works in web browsers
- ✓You need maximum device and software compatibility
Frequently Asked Questions
Should I use ICO or PNG?
It depends on your goal. ICO preserves full quality. PNG preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is PNG higher quality than ICO?
Not necessarily. Converting ICO to PNG maintains high quality with CocoConvert's optimised encoder settings. Quality depends on the compression type and settings, not just the format name.
Can I convert ICO to PNG on Mac and Windows?
Yes. CocoConvert is a web-based tool that works in all modern browsers — Chrome, Safari, Firefox, Edge — on any operating system including macOS, Windows, Linux, iOS, and Android.
Is CocoConvert free for ICO to PNG?
Yes. Free users get 5 conversions per hour (250 MB each). Pro subscribers unlock 100 files per hour, 5 GB per file, and priority processing.
What tools does CocoConvert use for ICO to PNG?
CocoConvert uses FFmpeg for audio/video, Sharp for images, and qpdf for documents — the same open-source libraries used by Netflix, YouTube, and major enterprise platforms.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.