PSB to RGB — Format Comparison & Online Converter
Fast, instant PSB to RGB conversion. No signup required. Just drop your .psb file and get .rgb in seconds.
Batch Settings
Photoshopの大型ドキュメント形式であるPSBファイルは、高解像度のイラストや複雑なデザイン作業においてその真価を発揮します。しかし、ウェブ公開や一般的な画像共有の場面では、より汎用性の高いRGB形式への変換が求められることが少なくありません。特に、鮮やかな色彩表現が命となる漫画やアニメーションの制作現場、あるいは緻密な図版を多用するビジネス資料において、PSBで保持された広大なキャンバスの情報を損なうことなく、美しく、そして効率的にRGBへと移行させる技術は不可欠です。本ツールは、そうしたプロフェッショナルの皆様のニーズに応えるべく開発されました。複雑な設定を排し、直感的な操作で高品質な変換を実現します。大切な作品や資料の色彩と細部を忠実に再現しつつ、あらゆる環境での表示を可能にするこの変換プロセスを、ぜひご体験ください。
- 漫画・アニメのデジタル原画のウェブ公開
- ビジネス資料における高解像度画像の埋め込み
- 印刷会社への入稿前の最終確認
日本のデザイン業界では、縦書き組版の特性上、広大なアートボードを持つPSBファイルが多用される傾向にあります。そのため、RGB変換後もテキストの可読性や画像のアスペクト比を維持することが特に重視されます。
About PSB to RGB Conversion
PSB and RGB are both image formats, but they differ in important ways. PSB is a widely used file format. RGB is a widely used file format.
When you convert PSB to RGB, the goal is to convert between formats quickly. Converting PSB to RGB maintains high quality with CocoConvert's optimised encoder settings. Understanding these technical differences helps you choose the right format for your workflow.
Your PSB file is decoded and re-encoded as RGB. The conversion involves 4 steps: (1) your psb file is uploaded and validated, (2) the file is decoded (parsed into its raw data), (3) the data is re-encoded in rgb format, (4) the converted file is ready for download.
CocoConvert's converter handles the entire pipeline server-side using FFmpeg, Sharp, and qpdf — battle-tested libraries used by streaming platforms and enterprise tools. Files are encrypted in transit and deleted within 24 hours.
This conversion is ideal when you When you need a RGB file. For the opposite direction, CocoConvert also supports RGB to PSB conversion.
How to Convert PSB to RGB
- 1
Upload .psb file
Select your PSB file by dragging it to the upload zone or using the file picker. Batch upload is available for multiple files.
- 2
Choose .rgb
Set RGB as the output format. The converter uses optimal settings based on the PSB→RGB conversion profile.
- 3
Convert
The server-side engine decodes your PSB file and re-encodes it as RGB. Processing time depends on file size and complexity.
- 4
Download result
Grab your converted .rgb file. Multiple output files can be downloaded together.
What Happens When You Convert PSB to RGB
Your PSB file is decoded and re-encoded as RGB.
Your PSB file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in RGB format
The converted file is ready for download
Format Comparison
PSB
.psb file
| Extension | .psb |
| MIME Type | image/vnd.adobe.photoshop |
| Category | Image |
RGB
.rgb file
| Extension | .rgb |
| MIME Type | image/x-rgb |
| Category | Image |
Should You Convert PSB to RGB?
When to Convert
- ✓When you need a RGB file
Frequently Asked Questions
What is the difference between PSB and RGB?
PSB is a widely used file format. RGB is a widely used file format.
Does PSB to RGB conversion affect quality?
Converting PSB to RGB maintains high quality with CocoConvert's optimised encoder settings.
Which format has better compression, PSB or RGB?
PSB is a common image format. RGB is widely supported. The better choice depends on whether you prioritize file size or quality.
How long does PSB to RGB conversion take?
Most conversions finish in seconds. Larger files or complex image content may take 10–30 seconds. CocoConvert processes files in parallel for batch jobs.
Is PSB or RGB better for long-term storage?
Both formats use lossy compression, so consider keeping your original source file for long-term storage.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.