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
FTSファイルをHDR形式へ変換する際、多くのユーザー様がその精密なデータ保持能力と、異なるシステム間での互換性に期待を寄せていらっしゃることと存じます。特に、緻密な表現が求められるコミックやイラストレーションの分野では、色の深度や階調の再現性は作品の質を左右する重要な要素です。また、ビジネス文書において、元のレイアウトやフォント情報を忠実に引き継ぎたいというご要望も少なくありません。当サービスでは、お客様の大切なデータを損なうことなく、迅速かつ正確に変換処理を行います。複雑な設定は不要で、直感的な操作で高品質なHDRファイルを手に入れることが可能です。細部にわたる表現力を保持しつつ、汎用性の高い形式へと移行することで、お客様の作業効率向上と表現の幅の拡大に貢献いたします。
- 漫画原稿のデジタルアーカイブ化
- 精密な色彩を持つイラストの共有
- 企業内での高画質画像データの標準化
日本では、縦書きテキストや特定のフォントが多用されるため、変換後のファイルの文字表現が元のFTSの意図を正確に反映しているかどうかが特に重視されます。
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.