FITS vs FTS — Comparison & Free Converter
Fast, instant FITS to FTS conversion. No signup required. Just drop your .fits file and get .fts in seconds.
Batch Settings
天文学データの世界では、FITS（Flexible Image Transport System）ファイルはその豊富な情報量と汎用性から、まさに標準とされています。しかし、時にこのFITSファイルを、より簡潔で特定のシステムに適したFTS形式へと変換する必要が生じることでしょう。例えば、共有や特定の解析ツールでの利用を考えた際、元のFITSが持つ膨大なヘッダー情報や多次元データが、かえって取り扱いの複雑さをもたらすことがあります。当サイトでは、そうした状況において、お客様の大切な天文データを損なうことなく、スムーズかつ効率的にFTS形式へと変換するお手伝いをいたします。複雑な設定は不要です。直感的な操作で、FITSファイルの持つ本質的なデータはそのままに、より軽量で扱いやすいFTSファイルを手に入れてください。研究の加速、情報共有の円滑化に、ぜひお役立てください。
- 学術機関でのデータ共有
- ビジネスにおける専門文書の整理
- 個人研究でのデータ軽量化
日本国内の特定の研究機関や企業では、独自のシステム連携のためにFITSからFTSへの変換が必要とされるケースが見られます。特に、レガシーシステムとの互換性を保ちつつ、新しいデータ形式を取り入れる際の橋渡しとして活用されています。
About FITS to FTS Conversion
FITS or FTS — which format should you use? The answer depends on your needs. Here's a quick breakdown.
FITS is a widely used file format. It has common platform support. FTS is a widely used file format. It has common platform support.
So when should you convert FITS to FTS? This conversion is ideal when you When you need a FTS file. This conversion helps you convert between formats quickly.
Converting FITS to FTS maintains high quality with CocoConvert's optimised encoder settings.
If you've decided FTS is the right choice, CocoConvert makes the conversion effortless. Upload your .fits file, pick FTS, 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 FITS to FTS
- 1
Choose your FITS file
Upload your .fits file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to FTS
Select .fts 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 FTS file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert FITS to FTS
Your FITS file is decoded and re-encoded as FTS.
Your FITS file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in FTS format
The converted file is ready for download
Format Comparison
FITS
.fits file
| Extension | .fits |
| MIME Type | image/fits |
| Category | Image |
FTS
.fts file
| Extension | .fts |
| MIME Type | image/fits |
| Category | Image |
Should You Convert FITS to FTS?
When to Convert
- ✓When you need a FTS file
Frequently Asked Questions
Should I use FITS or FTS?
It depends on your goal. FITS preserves full quality. FTS preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is FTS higher quality than FITS?
Not necessarily. Converting FITS to FTS 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 FITS to FTS 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 FITS to FTS?
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 FITS to FTS?
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.