HDR vs RGF — Comparison & Free Converter
Fast, instant HDR to RGF conversion. No signup required. Just drop your .hdr file and get .rgf in seconds.
Batch Settings
在数字图像处理的广阔天地里，我们时常会遇到各式各样的文件格式。HDR（高动态范围）图像以其丰富的色彩层次和惊人的明暗细节，为我们带来了身临其境的视觉体验。然而，当这些精美的HDR文件需要适配特定的软件环境、游戏引擎或更高效的存储与传输时，将其转换为RGF格式便成了许多专业人士和爱好者们的共同需求。RGF格式以其出色的兼容性和在某些应用场景下的优化表现，正逐渐受到关注。无论您是从事图形设计、游戏开发，还是仅仅希望更好地管理您的影像资料，了解并掌握HDR到RGF的转换，都将为您的工作流程带来意想不到的便利与效率提升。告别繁琐，拥抱高效，让您的HDR图像在RGF的世界中焕发新生。
- 微信小程序图片优化
- 手游材质贴图
- 三维模型渲染输出
在大中华区，由于移动端应用生态的蓬勃发展，许多本地开发的游戏和应用可能对图片格式有特定的兼容性要求，RGF格式有时能更好地与这些平台融合。同时，考虑到网络传输效率，RGF在某些场景下也能提供更小的文件体积。
About HDR to RGF Conversion
HDR or RGF — which format should you use? The answer depends on your needs. Here's a quick breakdown.
HDR (Radiance) is a high-dynamic-range image format used in lighting and rendering. It has niche platform support. RGF is a widely used file format. It has common platform support.
So when should you convert HDR to RGF? This conversion is ideal when you When you need a RGF file. This conversion helps you convert between formats quickly.
Converting HDR to RGF maintains high quality with CocoConvert's optimised encoder settings.
If you've decided RGF is the right choice, CocoConvert makes the conversion effortless. Upload your .hdr file, pick RGF, 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 HDR to RGF
- 1
Choose your HDR file
Upload your .hdr file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to RGF
Select .rgf 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 RGF file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert HDR to RGF
Your HDR file is decoded and re-encoded as RGF.
Your HDR file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in RGF format
The converted file is ready for download
Format Comparison
HDR
.hdr file
| Extension | .hdr |
| MIME Type | image/vnd.radiance |
| Category | Image |
RGF
.rgf file
| Extension | .rgf |
| MIME Type | image/x-rgf |
| Category | Image |
Should You Convert HDR to RGF?
When to Convert
- ✓When you need a RGF file
Frequently Asked Questions
Should I use HDR or RGF?
It depends on your goal. HDR preserves full quality. RGF preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is RGF higher quality than HDR?
Not necessarily. Converting HDR to RGF 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 HDR to RGF 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 HDR to RGF?
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 HDR to RGF?
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.