How to Convert ICO to RAS — Quick & Free
Fast, instant ICO to RAS conversion. No signup required. Just drop your .ico file and get .ras in seconds.
Batch Settings
お持ちのICOファイルを、様々な用途で活用できるRAS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形式ですが、デザインの最終調整や印刷、あるいは特定のプロフェッショナルなグラフィックソフトウェアでの利用を考えると、より汎用性の高いRAS形式への変換が有効な場面が多くあります。特に、色深度や解像度の自由度が高いRASは、細部にこだわる日本のクリエイティブな現場や、ビジネスにおける精密な図版の扱いに適しています。当社の変換ツールは、複雑な設定なしに、元のICOファイルの品質を保ちながらスムーズにRAS形式へ移行させることが可能です。アイコンのデザイン資産を、新たな表現の可能性へと広げるお手伝いをいたします。
- 漫画・アニメ制作における素材連携
- ビジネス文書での高精細な図版挿入
- DTP・印刷物向け画像調整
RAS形式は、高解像度画像を扱う際に用いられることが多く、特に日本の印刷業界や一部のCAD/CAM分野でその互換性が重視されることがあります。縦書きテキストを扱うデザインにおいても、RAS形式の柔軟な画像処理能力が役立つ場面が見られます。
About ICO to RAS Conversion
Short answer: yes, you can convert ICO to RAS online for free, and quality is well preserved with the right settings. Just upload your .ico file to CocoConvert, pick RAS as the output, and click Convert. The whole process takes seconds.
Now for the details. ICO is the icon format used for website favicons and Windows application icons. RAS is a widely used file format. Converting between these two formats lets you convert between formats quickly.
Your ICO file is decoded and re-encoded as RAS. Converting ICO to RAS maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert runs entirely online — no software to install, no account to create. Your files are encrypted during upload (TLS), processed on isolated servers in Germany, and permanently deleted after 24 hours. It works in Chrome, Safari, Firefox, Edge, and all mobile browsers.
Need to convert more than one file? Free users can do 5 per hour. Pro gets 100 per hour with files up to 5 GB each.
How to Convert ICO to RAS
- 1
1. Upload ICO
Drop your .ico file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select RAS
Choose .ras from the output dropdown. Settings are pre-configured for best results.
- 3
3. Convert
One click. The server handles all the heavy lifting using FFmpeg and Sharp.
- 4
4. Download
Your .ras file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert ICO to RAS
Your ICO file is decoded and re-encoded as RAS.
Your ICO file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in RAS format
The converted file is ready for download
Format Comparison
ICO
.ico file
| Extension | .ico |
| MIME Type | image/x-icon |
| Category | Image |
RAS
.ras file
| Extension | .ras |
| MIME Type | image/x-sun-raster |
| Category | Image |
Should You Convert ICO to RAS?
When to Convert
- ✓When you need a RAS file
Frequently Asked Questions
Is ICO to RAS conversion free?
Yes. CocoConvert offers free ICO to RAS conversion with generous daily limits — 25 minutes of processing time and up to 5 files per hour (250 MB each). Pro plans remove these limits.
How fast is ICO to RAS conversion?
Most files convert in 2–10 seconds depending on size. Large image files may take 30 seconds. Batch jobs process in parallel for maximum speed.
What happens to my files after conversion?
Your uploaded ICO file and the converted RAS file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting ICO to RAS lose quality?
Converting ICO to RAS maintains high quality with CocoConvert's optimised encoder settings.
Can I convert RAS back to ICO?
Yes, CocoConvert supports RAS to ICO conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.