PCT vs BMP — Comparison & Free Converter
Fast, instant PCT to BMP conversion. No signup required. Just drop your .pct file and get .bmp in seconds.
Batch Settings
ピクチャファイル形式は多種多様ですが、Macintoshの伝統的なPCT（PICT）形式と、Windowsで広く使われるBMP形式の間で画像変換が必要となることは少なくありません。特に、かつてMacintoshで作成されたイラストや図面を、Windows環境で一般的な画像ファイルとして扱いたい場合、この変換が役立ちます。漫画原稿のデジタル化からビジネス文書への図版挿入、あるいは個人の作品をより多くの環境で共有したい時など、それぞれの用途に合わせて最適な画像形式を選ぶことは、作業効率と表現の幅を広げる上で非常に重要です。当社の変換ツールは、そうした異なるプラットフォーム間の橋渡しをスムーズに行い、皆様のクリエイティブな活動やビジネスシーンを力強くサポートします。
- 漫画原稿のデジタル化
- ビジネス資料の図版挿入
- 旧作イラストの再活用
日本では、DTP（卓上出版）の分野でMacintoshが広く普及していたため、古いデザインデータやイラストにPCT形式が多く見られます。これを現在の主流であるWindows環境で利用する際、BMPへの変換は一般的な選択肢の一つです。
About PCT to BMP Conversion
PCT or BMP — which format should you use? The answer depends on your needs. Here's a quick breakdown.
PCT is a widely used file format. It has common platform support. BMP is an uncompressed raster format that preserves every pixel but produces very large files. It has universal platform support.
So when should you convert PCT to BMP? This conversion is ideal when you When you need a BMP file. This conversion helps you convert between formats quickly.
Converting PCT to BMP maintains high quality with CocoConvert's optimised encoder settings.
If you've decided BMP is the right choice, CocoConvert makes the conversion effortless. Upload your .pct file, pick BMP, 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 PCT to BMP
- 1
Choose your PCT file
Upload your .pct file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to BMP
Select .bmp 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 BMP file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert PCT to BMP
Your PCT file is decoded and re-encoded as BMP.
Your PCT file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in BMP format
The converted file is ready for download
Format Comparison
PCT
.pct file
| Extension | .pct |
| MIME Type | image/x-pict |
| Category | Image |
BMP
.bmp file
| Extension | .bmp |
| MIME Type | image/bmp |
| Category | Image |
Should You Convert PCT to BMP?
When to Convert
- ✓When you need a BMP file
Frequently Asked Questions
Should I use PCT or BMP?
It depends on your goal. PCT preserves full quality. BMP preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is BMP higher quality than PCT?
Not necessarily. Converting PCT to BMP 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 PCT to BMP 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 PCT to BMP?
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 PCT to BMP?
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.