Convert SD1 to FAX

The quick and simple way to change your SD1 into FAX files is to use a quality piece of software, such as reaConverter.

reaConverter offers offline file conversion between numerous formats, including SD1 to FAX, plus additional image editing tools for enhanced file preparation.

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How to Convert Multiple SD1 Files to FAX?

1. Download and Install reaConverter

reaConverter is quick to download, install and launch. This standalone software is extremely efficient in managing a wide range of batch conversions. reaConverter is incredibly powerful and boasts an extensive variety of features.

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Install reaConverter

2. Load your SD1 files

Start reaConverter and load all the .sd1 files you intend to convert into .fax. The software supports multiple SD1 conversion and processes all files locally on your computer.

Select SD1s from a folder or by drag-and-dropping them directly into the reaConverter window.

Load your SD1 files into reaConverter

3. Select FAX as output format

Pick the FAX as output format and choose the destination folder where you want to save new .fax files.

Select FAX as output format

4. Start SD1 to FAX conversion

Then simply press Convert button and your conversion will begin in no time!

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Once the conversion is complete, you can find your FAX files in the destination folder you selected.

SD1 to FAX offline

reaConverter offers the fastest, simplest solution for converting your SD1 files into FAX in seconds - all files processed on your PC for maximum privacy and speed.

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Do more with your files

Converting SD1 files for use in a workflow? 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
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User Reviews

Average User Rating:
Last updated on April 23, 2025
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Satisfied Customer
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Happy Online User
"Working in a print studio means constantly juggling obscure file formats. I used to waste hours Googling converters or installing random software — until reaConverter became my Swiss Army knife. Install it once, and you're set forever. No internet? No problem!"
Helen Evans
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"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"
DeShawn M. Thompson
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"I'm really impressed with this software - it converts files between formats incredibly fast!"
Lin Zhang
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"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."
Ava Thomas
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SD1 to FAX Conversion: FAQ

What are SD1 files?

The SD1 extension is attached to RAW images captured using some models of Sigma cameras. Sigma is a Japanese brand producing various types of photographic devices and cameras. The brand is best known for its lenses that can be used on cameras manufactured by several other companies, including Nikon, Canon and Panasonic. SD1 is part of a group of extensions attached to images shot in RAW mode on Sigma devices, including SD0 and SD2. All are considered rare and probably difficult to open using regular image viewers.

What are FAX files?

FAX files contain incoming or outgoing fax images created using specialized software, usually as part of a fax machine or a computer with a fax modem. This format is a fixed width Group 3 TIFF saved in black&white colors.

Can reaConverter convert SD1 to FAX?

Yes! reaConverter instantly converts .sd1 to .fax with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert SD1 to FAX online?

If you only need to convert a few SD1 files to FAX format, feel free to try our free online free online SD1 to FAX converter — perfect for small batches with no installation needed!

How can I turn SD1 files into FAX on my computer?

The best way to change SD1s to FAXs on your PC is to install 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 SD1 to FAX.

How can I automate SD1 to FAX files conversion?

reaConverter supports all the most useful automation features such as Right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert SD1 files to FAX using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line sd1 to fax converter for batch processing.

What else can I do with reaConverter?

Convert DICOM imagesResize pictureConvert CAD formatsChange image bit depthSet file date

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