FITS Won't Open? Convert to FAX Instantly
Fast, instant FITS to FAX conversion. No signup required. Just drop your .fits file and get .fax in seconds.
Batch Settings
La conversion de fichiers FITS au format FAX peut sembler un cas d'usage de niche, mais elle répond à des besoins précis dans divers secteurs francophones. Le format FITS, souvent associé à l'astronomie et à la recherche scientifique pour son intégrité des données brutes, se doit parfois de transiter vers des systèmes plus accessibles. Le FAX, bien qu'ancré dans des pratiques plus traditionnelles, reste un vecteur essentiel pour la transmission de documents officiels ou la communication inter-organisationnelle, notamment là où la fiabilité et la traçabilité d'un envoi sont primordiales. Notre outil vous offre une passerelle fluide et fiable, garantissant que vos données complexes issues de FITS soient fidèlement transposées pour une diffusion par FAX, sans perte d'information cruciale. Que ce soit pour des archives, des communications réglementaires ou des échanges interprofessionnels, simplifiez vos flux de travail avec une conversion précise et sécurisée.
- Transmission de données scientifiques brutes pour approbation administrative
- Archivage d'images astronomiques pour des publications académiques
- Envoi de schémas techniques pour consultation rapide en entreprise
En France et en Belgique, l'usage du FAX persiste étonnamment dans certains services administratifs et médicaux pour des raisons de conformité et de 'preuve d'envoi', rendant cette conversion pertinente pour des communications officielles.
About FITS to FAX Conversion
Dealing with a FITS file that won't open on your device? You're not alone — FITS compatibility issues are one of the most common reasons people search for a file converter. FITS is a widely used file format.
The fix is simple: convert your FITS to FAX. FAX 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 FITS to FAX maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your FITS 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 FAX 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 FITS to FAX
- 1
Add your FITS file
Drag and drop your .fits file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick FAX output
Select .fax 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 .fax file. For batch jobs, download all at once as a zip.
What Happens When You Convert FITS to FAX
Your FITS file is decoded and re-encoded as FAX.
Your FITS 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
FITS
.fits file
| Extension | .fits |
| MIME Type | image/fits |
| Category | Image |
FAX
.fax file
| Extension | .fax |
| MIME Type | image/g3fax |
| Category | Image |
Should You Convert FITS to FAX?
When to Convert
- ✓When you need a FAX file
Frequently Asked Questions
Why won't my FITS file open?
FITS files may not open if your device lacks the right codec or application. Converting to FAX — a more widely supported format — usually resolves this. FAX is a widely used file format.
Is it safe to convert FITS to FAX 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 FITS to FAX?
Converting FITS to FAX 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 FITS 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 FITS to FAX 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.