EXR vs PFM — Comparison & Free Converter
Fast, instant OPENEXR to PFM conversion. No signup required. Just drop your .exr file and get .pfm in seconds.
Batch Settings
EXR（OpenEXR）は、HDR（ハイダイナミックレンジ）画像を扱うプロフェッショナルな現場で広く利用されています。特に映画やCG制作において、その豊かな色深度と広いダイナミックレンジは不可欠です。一方、PFM（Portable Float Map）は、科学技術計算や3Dレンダリングの分野で、浮動小数点形式の画像データをシンプルに扱う際に重宝されます。これら二つのフォーマットは、どちらも画質の劣化を最小限に抑えつつ、高度な画像情報を保持する能力に優れています。EXRの持つ多機能性を、より特定の用途に特化したPFMへと変換することで、データの取り扱いが効率化され、後の処理工程がスムーズになることが期待されます。この変換を通じて、それぞれのフォーフォーマットが持つ特性を最大限に活かし、お客様のプロジェクトを次の段階へと進めるお手伝いをいたします。
- アニメ制作における背景の高精度な色情報保持
- 建築パースのレンダリング結果を後処理する際の中間ファイル
- ゲーム開発でのテクスチャマッピングデータの効率的な受け渡し
日本のアニメ・ゲーム業界では、EXRで出力されたレンダリングデータをPFMに変換し、独自ツールや特定の画像処理ソフトウェアで扱うケースが見られます。これにより、より柔軟な色調補正やエフェクト処理が可能になります。
About OPENEXR to PFM Conversion
EXR or PFM — which format should you use? The answer depends on your needs. Here's a quick breakdown.
EXR (OpenEXR) is a high-dynamic-range format used in VFX, film, and 3D rendering pipelines. It has niche platform support. PFM is a widely used file format. It has common platform support.
So when should you convert EXR to PFM? This conversion is ideal when you When you need a PFM file. This conversion helps you convert between formats quickly.
Converting EXR to PFM maintains high quality with CocoConvert's optimised encoder settings.
If you've decided PFM is the right choice, CocoConvert makes the conversion effortless. Upload your .exr file, pick PFM, 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 OPENEXR to PFM
- 1
Choose your EXR file
Upload your .exr file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to PFM
Select .pfm 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 PFM file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert OPENEXR to PFM
Your EXR file is decoded and re-encoded as PFM.
Your EXR file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in PFM format
The converted file is ready for download
Format Comparison
OpenEXR
.exr file
| Extension | .exr |
| MIME Type | image/x-exr |
| Category | Image |
PFM
.pfm file
| Extension | .pfm |
| MIME Type | image/x-pfm |
| Category | Image |
Should You Convert OPENEXR to PFM?
When to Convert
- ✓When you need a PFM file
Frequently Asked Questions
Should I use EXR or PFM?
It depends on your goal. EXR preserves full quality. PFM preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is PFM higher quality than EXR?
Not necessarily. Converting EXR to PFM 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 EXR to PFM 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 EXR to PFM?
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 EXR to PFM?
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.