XWD Won't Open? Convert to FITS Instantly
Fast, instant XWD to FITS conversion. No signup required. Just drop your .xwd file and get .fits in seconds.
Batch Settings
Vous travaillez avec des images X Window Dump (XWD) et avez besoin de les intégrer dans des workflows scientifiques ou astronomiques exigeants, souvent basés sur le format FITS (Flexible Image Transport System) ? La conversion de XWD vers FITS peut sembler une tâche de niche, mais elle est cruciale pour assurer l'interopérabilité des données dans des contextes où la précision et la richesse des métadonnées sont primordiales. Notre outil en ligne est conçu pour simplifier cette transition technique, vous permettant de passer d'un format d'image écran, typique des environnements UNIX/Linux, à un standard reconnu pour l'archivage et l'échange de données scientifiques. Que vous soyez chercheur, archiviste de données spatiales ou professionnel de l'imagerie technique, nous vous offrons une solution fiable et efficace pour garantir la pérennité et l'exploitabilité de vos informations visuelles.
- Archivage de résultats de simulations astrophysiques
- Partage d'images médicales issues de logiciels spécialisés
- Intégration de captures d'écran techniques dans des publications scientifiques
Au Québec, l'utilisation de FITS est particulièrement répandue dans le milieu de la recherche astronomique et spatiale, notamment en lien avec l'Observatoire du Mont Mégantic. La conversion XWD vers FITS facilite l'intégration de données d'instruments ou de logiciels propriétaires dans ces écosystèmes de recherche.
About XWD to FITS Conversion
Dealing with a XWD file that won't open on your device? You're not alone — XWD compatibility issues are one of the most common reasons people search for a file converter. XWD is a widely used file format.
The fix is simple: convert your XWD to FITS. FITS 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 XWD to FITS maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your XWD 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 FITS 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 XWD to FITS
- 1
Add your XWD file
Drag and drop your .xwd file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick FITS output
Select .fits 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 .fits file. For batch jobs, download all at once as a zip.
What Happens When You Convert XWD to FITS
Your XWD file is decoded and re-encoded as FITS.
Your XWD file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in FITS format
The converted file is ready for download
Format Comparison
XWD
.xwd file
| Extension | .xwd |
| MIME Type | image/x-xwindowdump |
| Category | Image |
FITS
.fits file
| Extension | .fits |
| MIME Type | image/fits |
| Category | Image |
Should You Convert XWD to FITS?
When to Convert
- ✓When you need a FITS file
Frequently Asked Questions
Why won't my XWD file open?
XWD files may not open if your device lacks the right codec or application. Converting to FITS — a more widely supported format — usually resolves this. FITS is a widely used file format.
Is it safe to convert XWD to FITS 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 XWD to FITS?
Converting XWD to FITS 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 XWD 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 XWD to FITS 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.