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
在数字图像处理领域，我们经常会遇到各种专业格式。其中，OpenEXR（EXR）以其高动态范围和多通道特性，成为影视后期、三维渲染等领域的标准。然而，有时我们需要将这种重量级格式转换为更易于处理、尤其是在某些特定应用场景下更具优势的便携式浮点图（PFM）。PFM格式虽然不如EXR普及，但它以其简单的结构和对浮点像素数据的良好支持，在科研、特定渲染管线以及一些老牌图形软件中扮演着不可或缺的角色。本工具旨在帮助您高效、无损地完成EXR到PFM的转换，让您的图像数据在不同工作流之间顺畅流转，满足从专业制作到日常分享的各种需求。
- 游戏引擎纹理导入
- 旧版渲染器兼容
- 科研数据可视化
考虑到中国大陆、台湾及新加坡地区用户对微信分享和移动端兼容性的需求，PFM虽然不直接支持，但其作为中间格式，可方便后续转换为JPG/PNG等通用格式，适应移动生态的快速分享。在游戏开发领域，PFM在一些特定工具链中仍有应用，值得注意。
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.