PSB vs SGI — Comparison & Free Converter
Fast, instant PSB to SGI conversion. No signup required. Just drop your .psb file and get .sgi in seconds.
Batch Settings
PSB（Photoshop Big）ファイルは、その名の通り、通常のPSDよりもはるかに大きな画像を扱えるため、特に大規模なアートワークや高解像度の印刷物で重宝されています。しかし、この巨大なファイルを、SGI（Silicon Graphics Image）のような特定のシステムや用途で利用したい場合、直接的な互換性の問題に直面することが少なくありません。SGI形式は、歴史的には3Dグラフィックスや科学技術計算の分野で利用されてきましたが、その堅牢な画像表現能力は、現代においても特定のワークフローで価値を発揮します。この変換は、単に形式を変えるだけでなく、ファイルが持つ情報と意図を損なうことなく、新たな環境で活用するための橋渡しとなります。当社の変換ツールは、お客様の大切なデータを丁寧に扱い、PSBの持つ豊かな表現力をSGIへとスムーズに引き継ぎます。
- 漫画・アニメ制作の高解像度背景素材の共有
- ビジネスにおける大判ポスターデータの送付
- 縦書き原稿の特殊印刷用データ準備
日本では、特に漫画やアニメ業界において、非常に高解像度な原画や背景データを扱うことが多く、PSB形式がその容量の大きさから頻繁に利用されます。SGIへの変換は、特定の旧来システムや、より専門的なレンダリング環境への対応で求められることがあります。
About PSB to SGI Conversion
PSB or SGI — which format should you use? The answer depends on your needs. Here's a quick breakdown.
PSB is a widely used file format. It has common platform support. SGI is a widely used file format. It has common platform support.
So when should you convert PSB to SGI? This conversion is ideal when you When you need a SGI file. This conversion helps you convert between formats quickly.
Converting PSB to SGI maintains high quality with CocoConvert's optimised encoder settings.
If you've decided SGI is the right choice, CocoConvert makes the conversion effortless. Upload your .psb file, pick SGI, 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 PSB to SGI
- 1
Choose your PSB file
Upload your .psb file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to SGI
Select .sgi 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 SGI file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert PSB to SGI
Your PSB file is decoded and re-encoded as SGI.
Your PSB file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in SGI format
The converted file is ready for download
Format Comparison
PSB
.psb file
| Extension | .psb |
| MIME Type | image/vnd.adobe.photoshop |
| Category | Image |
SGI
.sgi file
| Extension | .sgi |
| MIME Type | image/x-sgi |
| Category | Image |
Should You Convert PSB to SGI?
When to Convert
- ✓When you need a SGI file
Frequently Asked Questions
Should I use PSB or SGI?
It depends on your goal. PSB preserves full quality. SGI preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is SGI higher quality than PSB?
Not necessarily. Converting PSB to SGI 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 PSB to SGI 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 PSB to SGI?
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 PSB to SGI?
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.