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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.

256-bit TLS encryptionFiles deleted in 24hNo signup required

No universo digital de hoje, a agilidade na troca de documentos é fundamental, seja para fechar um negócio ou para organizar suas finanças pessoais. O formato FITS, com sua robustez para dados científicos e de imagem, muitas vezes precisa ser adaptado para plataformas mais acessíveis e universalmente aceitas, como o FAX digital. Pensando na sua comodidade e na eficiência que o dia a dia exige, especialmente em um ambiente mobile-first, desenvolvemos esta ferramenta para simplificar a conversão. Transforme seus arquivos FITS em FAX de forma rápida e descomplicada, garantindo que suas informações cheguem ao destino com a clareza e a compatibilidade necessárias. É a ponte que você precisa para otimizar seus fluxos de trabalho e comunicação, sem perder tempo com formatos incompatíveis.

  • Envio de laudos médicos para seguradoras
  • Compartilhamento de projetos de engenharia
  • Submissão de portfólios visuais

No Brasil e em Portugal, a interoperabilidade entre sistemas legados (que ainda utilizam FAX) e as novas plataformas digitais é uma necessidade comum, especialmente em setores governamentais e de saúde, onde o FITS pode ser encontrado em bases de dados mais antigas.

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. 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. 2

    Pick FAX output

    Select .fax as the target format. CocoConvert automatically applies the best quality settings for this conversion.

  3. 3

    Start conversion

    Hit the Convert button. The image engine processes your file server-side — no CPU drain on your device.

  4. 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.

1

Your FITS file is uploaded and validated

2

The file is decoded (parsed into its raw data)

3

The data is re-encoded in FAX format

4

The converted file is ready for download

Format Comparison

.fits

FITS

.fits file

Extension.fits
MIME Typeimage/fits
CategoryImage
.fax

FAX

.fax file

Extension.fax
MIME Typeimage/g3fax
CategoryImage

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.

Powered by — installed on our conversion workers
ImageMagick 7.1 (locked policy.xml)libheif 1.xlibjxl-tools 0.11.xLibRaw / dcraw_emu 0.21.xSharp 0.34.x (Node)

Versions are pinned in our worker Dockerfile and re-built via CI on every change.