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FormatsFTSFTS → FAX
.FTS
.FAX

Convert FTS to FAX

Convert your FTS files to FAX format for free. Drag and drop your file or click to select it.

Accepted files :.fts.fit.fits

Drop your files here

or click to select

Max 25 MB · FTS only

Why convert FTS to FAX?

Fast

Your file is converted in under 30 seconds in our cloud.

Secure

Files are automatically deleted after 1 hour.

Quality preserved

Maximum quality preserved during conversion.

About the FTS format

FTS — Flexible Image Transport System (FITS)

FITS (Flexible Image Transport System) is the standard format used in astronomy for storing scientific data, images, and tables. Developed by NASA and the IAU, it is the universal format for telescope observations, space mission data, and astronomical image archives.

Common uses

  • Astronomical image and data storage
  • Telescope and space mission image archives
  • Scientific image analysis in astrophysics
  • Converting telescope data to viewable formats

About the FAX format

FAX — Group 3/4 Fax Image

FAX is a generic extension used for raw CCITT Group 3 or Group 4 fax image data files. These files contain compressed monochrome page scans as transmitted by fax machines, and are typically converted to TIFF or PDF for archival and viewing.

Common uses

  • Fax document archiving and recovery
  • Converting raw fax streams to viewable formats
  • Legal and business fax record keeping
  • Processing fax server received files

Frequently asked questions

Is the conversion free?

Yes, basic conversion is completely free. For large volumes, check out our paid plans.

What is the maximum file size?

Free accounts can convert files up to 25 MB. Pro accounts up to 100 MB.

How long are my files kept?

Files are automatically deleted after 1 hour on the free plan, 24 hours on Pro.

What formats are supported?

We support over 200 source and target formats. See our complete formats page.