DCX vs FAX — Comparison & Free Converter
Fast, instant DCX to FAX conversion. No signup required. Just drop your .dcx file and get .fax in seconds.
Batch Settings
Vous avez des documents au format DCX et la nécessité de les transmettre par télécopieur, ou de les intégrer à des systèmes qui privilégient le format FAX ? La conversion de DCX vers FAX est une opération courante qui peut parfois s'avérer délicate en raison des spécificités techniques de chaque format. Le DCX, souvent associé à des images numérisées en couleur ou en niveaux de gris, doit être fidèlement transformé en un format optimisé pour la transmission par télécopie, généralement en noir et blanc et avec des résolutions spécifiques. Notre outil est conçu pour simplifier cette transition, garantissant que vos informations visuelles soient converties avec précision et prêtes à l'emploi. Que ce soit pour des archives, des communications urgentes ou des intégrations logicielles, nous vous offrons une solution fiable et efficace.
- Archivage de documents administratifs scannés (France)
- Échange de plans techniques pour l'industrie (Belgique)
- Transmission de partitions musicales numérisées (Suisse)
Au Québec, l'utilisation du FAX reste pertinente dans certains secteurs gouvernementaux et de la santé pour la transmission de documents officiels, où la traçabilité et la conformité sont primordiales, rendant cette conversion essentielle pour l'interopérabilité des systèmes.
About DCX to FAX Conversion
DCX or FAX — which format should you use? The answer depends on your needs. Here's a quick breakdown.
DCX is a widely used file format. It has common platform support. FAX is a widely used file format. It has common platform support.
So when should you convert DCX to FAX? This conversion is ideal when you When you need a FAX file. This conversion helps you convert between formats quickly.
Converting DCX to FAX maintains high quality with CocoConvert's optimised encoder settings.
If you've decided FAX is the right choice, CocoConvert makes the conversion effortless. Upload your .dcx file, pick FAX, 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 DCX to FAX
- 1
Choose your DCX file
Upload your .dcx file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to FAX
Select .fax 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 FAX file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert DCX to FAX
Your DCX file is decoded and re-encoded as FAX.
Your DCX file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in FAX format
The converted file is ready for download
Format Comparison
DCX
.dcx file
| Extension | .dcx |
| MIME Type | image/x-dcx |
| Category | Image |
FAX
.fax file
| Extension | .fax |
| MIME Type | image/g3fax |
| Category | Image |
Should You Convert DCX to FAX?
When to Convert
- ✓When you need a FAX file
Frequently Asked Questions
Should I use DCX or FAX?
It depends on your goal. DCX preserves full quality. FAX preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is FAX higher quality than DCX?
Not necessarily. Converting DCX to FAX 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 DCX to FAX 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 DCX to FAX?
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 DCX to FAX?
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.