FTS Won't Open? Convert to DCX Instantly
Fast, instant FTS to DCX conversion. No signup required. Just drop your .fts file and get .dcx in seconds.
Batch Settings
About FTS to DCX 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 DCX. DCX 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 DCX 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 DCX 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 DCX
- 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 DCX output
Select .dcx 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 .dcx file. For batch jobs, download all at once as a zip.
What Happens When You Convert FTS to DCX
Your FTS file is decoded and re-encoded as DCX.
Your FTS file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in DCX format
The converted file is ready for download
Format Comparison
FTS
.fts file
| Extension | .fts |
| MIME Type | image/fits |
| Category | Image |
DCX
.dcx file
| Extension | .dcx |
| MIME Type | image/x-dcx |
| Category | Image |
Should You Convert FTS to DCX?
When to Convert
- ✓When you need a DCX 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 DCX — a more widely supported format — usually resolves this. DCX is a widely used file format.
Is it safe to convert FTS to DCX 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 DCX?
Converting FTS to DCX 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 DCX 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.