SFF Converter

Use our full-featured utility to easily convert your SFF files into other file format in seconds — perfect for batch conversion and processing.

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reaConverter
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SFF Files
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How to Convert .sff Files in Bulk

1. Install reaConverter

Download reliable SFF conversion software to convert multiple .sff files and folders in one go.
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Install reaConverter

2. Select SFF Files

Select SFFs from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load SFF files

3. Start Conversion

Click Convert to start the bulk conversion of all selected SFF files. The process will begin right away.
reaConverter - Start SFF conversion

Convert SFF on your PC

For quick and effortless SFF file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.

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Do more with your files

Converting SFF files for use in a larger project? reaConverter offers many ways to process files, so you can customize them according to your requirements.

Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.

Conversion features
Image editing

User Reviews

Average User Rating:
Last updated on August 27, 2025
"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
Brian White
Happy User
"So simple! I just needed to convert a couple of files to another format, and for such a straightforward task, the online converter worked perfectly — delivering the files I needed in no time. Excellent service!"
Kenneth D. Carter
Kenneth D. Carter
Satisfied Customer
"We use reaConverter in our department to handle image and document conversions for multiple teams. The Watch Folders function is brilliant — I configured different folders for different workflows, and now everything happens automatically in the background. No more manual conversions or missed files. Rock-solid performance!"
James L.
James L.
IT Manager
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Jian Wong
Happy Online User
"Tried a few image tools before, but this one is by far the easiest. Drag, drop, convert — done in seconds. It saved me a ton of time when organizing my image folders."
Lisa K.
Lisa K.
Happy User
"This software just works! My old laptop can’t handle Photoshop, but reaConverter flies through conversions without breaking a sweat. Wi-Fi gone? Still strong!"
Robert Williams
Robert Williams
Happy User

SFF files: Frequently Asked Questions

What are SFF files?

SFF (Structured Fax Format) is an extension attached to digital copies of documents sent or received by fax. Such files contain raster images and data regarding page formatting. The SFF format is used by the COMMON-ISDN-API (CAPI) association which establishes standards for using ISDN equipment.

Can reaConverter open SFF files?

reaConverter fully supports the SFF file format – open, edit, and export SFF files to any other popular file format with ease.

How do I change SFF to another format?

reaConverter is a user-friendly tool for converting SFF files. Once installed on your computer, it allows you to convert all your .sff files at once with just a few clicks. You can even convert sff images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert SFF online?

If you only want to convert a few SFF files, you are welcome to try our free online SFF converter.

How can I turn SFF files on my computer to another format?

The best way to convert SFF files on your PC is to get a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from SFF.

How can I automate SFF files conversion?

reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.

Can I convert SFF files using scripts or the command-line interface?

reaConverter provides full access to all its features from the Windows command-line shell, including the command-line sff converter.

What else can I do with reaConverter?

Set manual file dateConvert GIS filesChange format settingsChange DPIConvert Gerber files

What formats can I convert a SFF file to?
ai  apng  avif  bmp  bpg  cal  cg4  cgm  cin  dcx  dds  dgn  dis  drw  dwf  dwg  dxf  emf  epi  eps  fax  fits  flif  gbr  gif  hpg  hru  ico  iff  iges  igs  jp2  jpeg  jpg  jxl  jxr  mif  mtv  pcl  pct  pcx  pdf  pgm  pic  plt  png  ppm  prc  ps  psd  qoi  qrt  rad  rla  sgi  shp  svg  svgz  tga  tif  tiff  webp  webpll  wmf  wmz  wpg  wrl  xbm  xpm 

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Explore our efficient SFF file converter that saves you time and effort by converting multiple .sff files into different formats.
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