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
La conversion de fichiers, souvent perçue comme une simple opération technique, est en réalité un enjeu majeur pour l'interopérabilité et la pérennité de vos données. Sur cette page, nous abordons la transformation de FTS vers HDR, un processus qui peut sembler pointu mais qui répond à des besoins très concrets dans divers secteurs. Que vous soyez confronté à des archives historiques, des clichés scientifiques ou des maquettes de design, passer d'un format de données brutes d'observation (FTS) à une représentation à haute dynamique (HDR) est essentiel pour préserver l'intégrité visuelle et la richesse chromatique de vos informations. Notre outil est conçu pour simplifier cette transition, garantissant une fidélité optimale des détails et une gestion précise des gammes de luminance, cruciales pour l'exploitation professionnelle de vos images. Découvrez comment cette conversion peut optimiser vos flux de travail et enrichir la qualité de vos rendus.
- Archivage de documents administratifs historiques (France)
- Traitement d'images astronomiques (Belgique)
- Rendu architectural pour portfolios (Québec)
En Suisse romande, l'utilisation de FTS est courante dans les laboratoires universitaires pour la capture de données brutes, tandis que le HDR est privilégié pour la publication scientifique afin d'assurer une visualisation optimale des résultats complexes.
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.