FTS Won't Open? Convert to RGF Instantly
Fast, instant FTS to RGF conversion. No signup required. Just drop your .fts file and get .rgf in seconds.
Batch Settings
ファイル形式の変換は、現代のデジタルワークフローにおいて避けて通れない作業の一つです。特に、FTSからRGFへの変換は、特定の業務やクリエイティブな制作現場でその真価を発揮します。この二つの形式は、それぞれ異なる特性を持つため、適切な場面で使い分けることが重要です。FTSは柔軟な構造を持つ一方で、RGFはその堅牢性と特定の表示環境での最適化に強みがあります。このページでは、大切なデータを安全かつ意図した通りに移行できるよう、変換のメリットや注意点について詳しくご紹介いたします。複雑な設定は不要で、直感的な操作で高品質な変換を実現します。あなたの貴重なコンテンツを、新しい形式で最大限に活かしましょう。
- 漫画原稿の入稿準備
- ビジネス文書の社内共有
- 縦書きレイアウトの保持
日本のDTP環境では、RGFが縦書きや特定のフォント埋め込みにおいてFTSよりも安定した表示をもたらすことが多く、特に印刷業界での需要が高い傾向にあります。
About FTS to RGF Conversion
Dealing with a FTS file that won't open on your device? You're not alone — FTS compatibility issues are one of the most common reasons people search for a file converter. FTS is a widely used file format.
The fix is simple: convert your FTS to RGF. RGF is a widely used file format. This conversion lets you convert between formats quickly, solving the problem in seconds rather than hours of troubleshooting.
Converting FTS to RGF maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your FTS file on secure servers in Germany — upload, convert, download. Your files are encrypted via TLS and automatically deleted within 24 hours. No account needed, no software to install, and it works on any device with a browser.
This conversion is ideal when you When you need a RGF file.
The conversion engine behind CocoConvert uses FFmpeg, Sharp, and qpdf — the same open-source libraries trusted by Netflix, YouTube, and enterprise platforms. Pro users can batch convert up to 100 files at once.
How to Convert FTS to RGF
- 1
Add your FTS file
Drag and drop your .fts file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick RGF output
Select .rgf as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The image engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .rgf file. For batch jobs, download all at once as a zip.
What Happens When You Convert FTS to RGF
Your FTS file is decoded and re-encoded as RGF.
Your FTS 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
FTS
.fts file
| Extension | .fts |
| MIME Type | image/fits |
| Category | Image |
RGF
.rgf file
| Extension | .rgf |
| MIME Type | image/x-rgf |
| Category | Image |
Should You Convert FTS to RGF?
When to Convert
- ✓When you need a RGF file
Frequently Asked Questions
Why won't my FTS file open?
FTS files may not open if your device lacks the right codec or application. Converting to RGF — a more widely supported format — usually resolves this. RGF is a widely used file format.
Is it safe to convert FTS to RGF online?
Yes. CocoConvert encrypts your file via TLS, processes it on isolated servers in Germany, and permanently deletes it within 24 hours. Your files are never shared or analysed.
Will I lose quality converting FTS to RGF?
Converting FTS to RGF maintains high quality with CocoConvert's optimised encoder settings. CocoConvert uses high-quality encoder defaults to preserve as much fidelity as possible.
How large can my FTS file be?
Free users can convert files up to 250 MB each. Pro users get a 5 GB limit per file, and Business API users have custom limits.
Can I convert FTS to RGF on my phone?
Absolutely. CocoConvert works in any modern browser — iOS Safari, Android Chrome, and all desktop browsers. No app required.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.