FTS vs HDR — Comparison & Free Converter
Fast, instant FTS to HDR conversion. No signup required. Just drop your .fts file and get .hdr in seconds.
Batch Settings
您是否曾遇到这样的情况：辛苦制作的FTS图像文件，在不同设备上显示时，色彩表现总是不尽如人意，或者亮度细节有所缺失？特别是在如今高动态范围（HDR）显示设备日益普及的背景下，FTS的传统色彩和亮度范围可能已无法满足您对视觉体验的更高追求。将FTS文件转换为HDR格式，不仅仅是简单的文件类型转换，更是对图像信息的一次深度挖掘与优化。通过这一过程，您的图片将能展现出更宽广的色彩空间、更丰富的明暗层次，让高光不过曝、暗部有细节，画面更具冲击力和真实感。无论是专业摄影师寻求极致画质，还是普通用户希望分享更生动的瞬间，FTS转HDR都能助您一臂之力，让您的视觉内容焕发新生。
- 微信朋友圈高品质图片分享
- 手机游戏场景素材优化
- 专业影视后期调色预处理
考虑到大中华区用户对移动设备观看体验的重视，将FTS转换为HDR，能显著提升在支持HDR的智能手机和平板上的视觉效果，尤其是在观看摄影作品或游戏截图时，色彩和光影的还原度会更佳。
About FTS to HDR Conversion
FTS or HDR — which format should you use? The answer depends on your needs. Here's a quick breakdown.
FTS is a widely used file format. It has common platform support. HDR (Radiance) is a high-dynamic-range image format used in lighting and rendering. It has niche platform support.
So when should you convert FTS to HDR? This conversion is ideal when you When you need a HDR file. This conversion helps you convert between formats quickly.
Converting FTS to HDR maintains high quality with CocoConvert's optimised encoder settings.
If you've decided HDR is the right choice, CocoConvert makes the conversion effortless. Upload your .fts file, pick HDR, 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 FTS to HDR
- 1
Choose your FTS file
Upload your .fts file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to HDR
Select .hdr 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 HDR file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert FTS to HDR
Your FTS file is decoded and re-encoded as HDR.
Your FTS file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in HDR format
The converted file is ready for download
Format Comparison
FTS
.fts file
| Extension | .fts |
| MIME Type | image/fits |
| Category | Image |
HDR
.hdr file
| Extension | .hdr |
| MIME Type | image/vnd.radiance |
| Category | Image |
Should You Convert FTS to HDR?
When to Convert
- ✓When you need a HDR file
Frequently Asked Questions
Should I use FTS or HDR?
It depends on your goal. FTS preserves full quality. HDR preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is HDR higher quality than FTS?
Not necessarily. Converting FTS to HDR 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 FTS to HDR 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 FTS to HDR?
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 FTS to HDR?
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.